Condition Analysis
AI-powered assessment using site data and 14-day weather history
Ravens Crag is currently wet and unsuitable for climbing. The past two weeks have seen repeated rain events totalling over 50mm, with significant rain on June 11 (6.6mm) followed by only brief dry spells before further light rain today — the rock will be saturated internally despite any surface drying. The forecast shows continued unsettled weather with rain on each of the next five days, offering no adequate drying window.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravens Crag sits lower on the hillside than Bowden Doors and is partially sheltered by the ridge above, meaning it receives less direct wind and dries noticeably more slowly than its neighbour — expect it to need at least an extra day of drying beyond what Bowden Doors requires.
- The predominantly slab and low-angle nature of the problems means water sits on and penetrates the climbing surfaces more readily than on steep or overhanging rock, and the rounded holds characteristic of this venue are especially vulnerable to grain loss when damp.
- The west-facing aspect receives only afternoon and evening sun, which combined with the sheltered position limits the effective drying hours per day — south-westerly winds help but are partially blocked by the ridge.
- With 52mm of rain in the past 28 days spread across many events, the sandstone has had almost no opportunity to dry out fully; cumulative saturation at depth is the primary concern even when the surface looks dry.
Warnings
2
- Climbing on this saturated Fell Sandstone will cause permanent, irreversible damage to the soft rounded holds — the rock is part of the Colour Heugh SSSI and damage cannot be repaired.
- The surface may appear deceptively dry during afternoon sun but internal saturation after weeks of rain makes the rock structurally compromised to significant depth.
Reasoning
The rock is almost certainly saturated internally: 10.2mm fell in the last 7 days across multiple events (June 8–11), 6.6mm fell on June 11, today has added 1.4mm, and humidity has averaged 79% over the past week with 89% today — there has been no meaningful drying window.
The only consecutive dry days since the heavy rain of June 1–4 were June 12–14 (three days), but with humidity around 70–78% and the sheltered, west-facing aspect, this was insufficient to dry porous Fell Sandstone that had absorbed 34mm in a five-day period; subsequent rain on June 15–16 re-wet whatever surface drying had occurred.
The prolonged saturation and repeated wetting cycles create significant risk of hold breakage and grain loss, particularly on the rounded slab holds that define this venue — climbing now would cause permanent damage to the soft sandstone.
Early summer temperatures (12–18°C) and moderate winds should aid drying when a sustained dry spell eventually arrives, but the current unsettled Atlantic pattern is preventing any adequate drying window from developing.
Contributing Factors
6
52.3mm over 28 days spread across many events has kept the sandstone in a near-continuously saturated state with no opportunity for deep drying.
1.4mm today with further light rain forecast every day through June 21, meaning the drying clock cannot even begin to run.
Average humidity of 79% over the past week and 89% today severely limits evaporative drying even during dry hours.
Ravens Crag's position below the ridge at Bowden Doors reduces wind exposure and direct sun, making it one of the slower-drying venues in the Northumberland sandstone group.
Sustained winds of 20–40 km/h from the SW/W over recent days have provided some surface drying effect, though insufficient to overcome the moisture input.
Temperatures of 13–18°C are adequate for evaporative drying if a sustained dry spell were to materialise, but current conditions prevent this benefit from being realised.
Recommendations
3
- Do not climb at Ravens Crag until there have been at least 3–4 consecutive fully dry days with humidity below 75% — given the cumulative saturation, the standard 48-hour rule is insufficient here.
- Check Bowden Doors higher on the hillside first as it will dry faster, but even Bowden Doors is likely too wet in current conditions.
- Monitor the forecast beyond June 22 for a sustained dry spell; if one arrives, Ravens Crag will likely need an extra day beyond when Bowden Doors becomes climbable.
Previous Analyses
Do Not Climb
92%
2 days ago
Ravens Crag is currently unsafe to climb due to recent heavy and repeated rainfall with completely inadequate drying time. The past two weeks have seen over 50mm of rain across multiple events, the last significant rain was only 4 days ago (6.6mm on June 11), lighter rain fell today, and more rain is forecast every day through June 20 — the rock will not get the sustained dry period it needs.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravens Crag sits lower on the hillside below Bowden Doors and is partially sheltered by the ridge above, meaning it receives less direct wind and dries noticeably more slowly than the main crag.
- The predominantly slab-based, low-angle problems with rounded holds are especially sensitive to residual moisture — friction-dependent moves on rounded Fell Sandstone holds are both dangerous and damaging when damp.
- West-facing aspect means the crag only receives afternoon and evening sun, which is less effective for drying than a south-facing aspect, particularly in the sheltered lower position.
- The cumulative 52mm of rain over the past 28 days, with repeated wetting events preventing any sustained drying period, means the sandstone is likely saturated well beyond the surface — internal moisture will persist long after the surface appears dry.
Warnings
3
- Climbing on saturated Fell Sandstone causes permanent, irreversible damage to holds — the rounded slab holds at Ravens Crag are especially vulnerable.
- The rock surface may appear dry while the interior remains dangerously weakened; do not rely on visual inspection alone after such a prolonged wet period.
- Ravens Crag is within the Colour Heugh SSSI — climbing on damp rock risks damage to a geologically protected site.
Reasoning
With 6.6mm on June 11, light rain today (1.5mm), and only 3 fully dry days in between at moderate temperatures and high humidity (70–78%), the rock is almost certainly still holding significant internal moisture from the cumulative 52mm over the past month.
The three dry days (June 12–14) with moderate wind (20–39 km/h) and temperatures of 13–18°C would have begun surface drying, but the sheltered, west-facing, lower-hillside position and 70–78% humidity mean internal drying has been far too slow to clear the accumulated moisture from repeated soakings.
Repeated wetting over the past two weeks without adequate drying has likely brought pore saturation well above the critical thresholds for strength loss; climbing on rounded slab holds in this state risks permanent hold breakage and irreversible route damage.
Early June conditions with cool temperatures (averaging ~11°C over the past week) and persistently high humidity (77% average) are providing much slower drying than typical summer conditions, extending required drying time significantly.
Contributing Factors
6
Over 35mm fell between June 1–4 alone, followed by further rain on June 6, 8, 9, 10, and 11, giving the rock no chance to dry out between soakings.
Only 3 consecutive dry days (June 12–14) have occurred since the last significant rain on June 11, far short of the 48–72+ hours needed after heavy cumulative wetting.
Today sees 1.5mm of rain and the forecast shows rain every day from June 16–20 (totalling ~10mm), preventing any drying progress.
Average humidity of 77% over the past week with today reaching 92–97% overnight severely limits evaporative drying from the rock surface.
Ravens Crag's position below the ridge at Bowden Doors reduces wind exposure and direct sunlight, making it one of the slowest-drying venues in the Northumberland sandstone group.
Wind speeds of 20–40 km/h on some recent dry days would have aided surface evaporation, though the sheltered position reduces the effective wind at the crag.
Recommendations
3
- Do not climb at Ravens Crag until there has been a sustained dry spell of at least 4–5 days with low humidity given the cumulative saturation — this is unlikely before late June at the earliest.
- Check Bowden Doors as an alternative only if conditions improve significantly, as the higher, more exposed position dries faster, but it too will need extended drying after this wet period.
- Monitor the BMC RAD and local Northumberland climbing forums for condition updates before making the trip, as the forecast suggests no viable climbing window this week.
Do Not Climb
55%
3 days ago
Despite three dry days since the last significant rain on June 11 (6.6mm), Ravens Crag has been subjected to nearly 51mm of rain over the past 28 days in repeated pulses, and its sheltered, lower position means it dries considerably slower than nearby Bowden Doors. The rock is very likely still holding internal moisture, and further rain is forecast from tomorrow, making conditions unsuitable.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravens Crag sits lower on the hillside and is partially sheltered by the ridge above Bowden Doors, significantly reducing wind exposure and sun, so it dries noticeably more slowly than its better-known neighbour.
- The predominantly low-angle slab problems with rounded holds are especially sensitive to residual moisture — friction-dependent climbing on damp Fell Sandstone risks both hold breakage and slips.
- Repeated rain events through late May and early June (50.8mm in 28 days across many pulses) mean the rock has never fully dried out, keeping internal saturation elevated even when the surface appears dry.
- The west-facing aspect receives only afternoon/evening sun, which is less effective for drying than a south-facing aspect, particularly in combination with the sheltering ridge above.
Warnings
3
- Fell Sandstone loses up to 50% of its compressive strength when wet — climbing on internally damp rock risks permanent hold breakage on the rounded slab holds that define this venue.
- The surface may appear dry while the interior remains saturated after weeks of repeated wetting — do not trust surface appearance alone.
- Further rain is forecast for June 15–18, which will re-saturate any partially dried rock.
Reasoning
With 6.6mm on June 11, light rain on June 8 and 10, and cumulative saturation from repeated wet spells totalling 50.8mm over 28 days, internal moisture levels in this slow-drying venue are likely still elevated despite three dry days.
Three dry days with moderate SW/W winds (23–39 km/h) and temperatures around 14–18°C have helped surface drying, but humidity has remained high (70–78%) and the sheltered, west-facing aspect limits effective evaporation — insufficient to dry deeply saturated porous sandstone.
The repeated wetting cycles without full drying in between keep the rock in a persistently weakened state, and climbing on the rounded, friction-dependent slab holds risks grain loosening and permanent hold damage.
Early June in Northumberland has brought an unusually wet and cool spell with temperatures averaging only 11.3°C over the past week, well below seasonal norms, which slows drying considerably.
Contributing Factors
6
Over 50mm across 28 days in multiple pulses means the rock has been repeatedly re-saturated without ever fully drying out, maintaining high internal moisture.
Three consecutive dry days with moderate wind provide some surface drying, though insufficient for deep moisture given this crag's slow-drying character.
Ravens Crag's position below the ridge reduces both wind exposure and direct sunlight, making it one of the slowest-drying venues in the Bowden area.
Average humidity of 76% over the past week significantly reduces evaporation rates, slowing the drying process.
Average temperatures of only 11.3°C over the past week are below seasonal norms and reduce evaporation-driven drying.
Light rain is forecast for June 15 with heavier rain (7.8mm) on June 16, which will re-wet any partially dried rock and reset the drying clock.
Recommendations
3
- Do not climb today — the rock has been through prolonged repeated saturation and three dry days is insufficient for this sheltered, slow-drying venue.
- If visiting the area, check Bowden Doors higher up the hillside instead, as it dries faster, but even there conditions should be carefully assessed given recent rainfall.
- Wait for at least 3–4 consecutive dry days after the next forecast rain clears (earliest window likely around June 20–21) and verify by checking that the ground at the crag base is sandy-dry.
Do Not Climb
55%
4 days ago
Ravens Crag received 6.6mm of rain on June 11th followed by only two dry days, and sits within a prolonged wet spell that has deposited over 50mm in the last 28 days. Given the crag's sheltered position and slow-drying character, internal moisture is very likely still present despite surface drying — the responsible choice is to wait.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravens Crag sits lower on the hillside and is partially sheltered by the Bowden Doors ridge above, meaning it receives less direct wind and dries noticeably more slowly than the upper crags despite being part of the same outcrop.
- The predominantly low-angle slab problems with rounded holds are especially vulnerable to moisture — slabs retain water longer than overhangs, and rounded holds rely on friction that is drastically reduced when damp.
- The prolonged wet period (50.8mm over 28 days with rain on 9 of the last 14 days) means cumulative saturation is likely high, and deep pore moisture will persist well beyond surface drying.
- The W-facing aspect only receives afternoon/evening sun, limiting the solar drying contribution during the strongest part of the day.
Warnings
2
- Do not rely on surface appearance — Fell Sandstone can look dry while remaining dangerously saturated internally after this volume of recent rain.
- The rounded slab holds at Ravens Crag are especially prone to breakage when the rock is weakened by moisture; damage is permanent and irreversible.
Reasoning
With 6.6mm on June 11th following a sustained wet spell totalling over 50mm in 28 days, the porous Fell Sandstone is likely still holding significant internal moisture despite two dry days.
Two dry days with moderate-to-strong SW/W winds (23–39 km/h) and temperatures around 15–18°C provide reasonable surface drying, but the sheltered, lower position of Ravens Crag and only partial wind exposure mean deep drying lags significantly behind Bowden Doors above.
Repeated wetting cycles over the past month combined with probable residual internal moisture create a genuine risk of hold breakage on the rounded, friction-dependent slab holds that characterise this venue.
Early summer temperatures (12–18°C) are adequate but not exceptional for drying, and the recent run of high humidity days (76–88%) has significantly slowed evaporation rates.
Contributing Factors
7
6.6mm fell on June 11th, only two days ago, following a prolonged wet spell with 50.8mm over the last 28 days and rain on 9 of the last 14 days.
Only two consecutive dry days since the last significant rain, well short of the 48–72+ hours needed after heavy/repeated rainfall on porous sandstone.
Ravens Crag's position below the ridge means reduced wind exposure and less direct sun compared to Bowden Doors, materially slowing the drying process.
Repeated wetting over many days means deep pore saturation is likely well above the danger threshold, even if the surface appears dry.
Today's 39 km/h westerly wind and yesterday's 32 km/h wind are actively accelerating surface evaporation.
Humidity averaging 76% over the last week limits the evaporative drying potential despite adequate wind.
Low-angle slabs retain moisture longer than steep or overhanging rock and are more dangerous when damp due to friction dependence.
Recommendations
3
- Wait at least one more full dry day (ideally two) before visiting; check that the ground at the crag base is completely sandy-dry before touching rock.
- If conditions improve by June 15th, prioritise any steeper or more exposed problems and avoid low-angle slabs and seepage-prone lower sections.
- Consider visiting the faster-drying Bowden Doors above instead, which benefits from greater wind exposure and may reach climbable condition a day sooner.
Do Not Climb
72%
5 days ago
Ravens Crag received 6.6mm of rain yesterday and has had only one dry day since, which is far too little drying time for this sheltered, slow-drying Fell Sandstone venue. The preceding two weeks have been persistently wet (50.8mm over 28 days with rain on numerous days), meaning the rock is likely saturated internally despite today's improving surface conditions.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravens Crag sits lower on the hillside below Bowden Doors and is partially sheltered by the ridge above, meaning it receives less wind and dries noticeably more slowly than the upper crags despite being part of the same system.
- The predominantly low-angle slab problems with rounded holds are especially vulnerable to moisture — slabs hold surface water longer than steep rock, and rounded holds rely on friction that is critically reduced when damp.
- The west-facing aspect means the crag only receives afternoon and evening sun, limiting the solar drying window compared to south-facing venues.
- After the prolonged wet spell from late May through mid-June (multiple rain events totalling over 50mm), internal moisture levels in this porous sandstone will be very high and will require an extended dry period to dissipate.
Warnings
2
- Climbing on damp Fell Sandstone causes permanent, irreversible damage to holds and routes — the slab-based problems here are especially vulnerable.
- The rock surface may appear dry while the interior remains saturated; do not rely on visual or touch assessment alone after only one dry day.
Reasoning
With 6.6mm on June 11, plus 14.2mm over the past week across multiple rain events, the rock is almost certainly still holding significant internal moisture despite one dry day with helpful wind.
Today's strong westerly wind (30 km/h) and lower humidity (70%) are helpful for surface drying, but a single day is wholly insufficient for porous Fell Sandstone that has been repeatedly saturated over recent weeks — the community standard is a minimum of 48–72 hours after heavy rain, and this crag dries slower than most.
The cumulative wetting from repeated rain events over the past two weeks means the sandstone is likely at or near critical saturation, creating significant risk of hold breakage and grain loosening, particularly on the rounded slab holds that define this venue.
Early June temperatures (averaging 11.3°C over the past week) are below seasonal norms for this time of year, slowing evaporation rates and extending required drying time.
Contributing Factors
6
6.6mm fell yesterday (June 11) on top of a persistently wet fortnight totalling 50.8mm across 28 days, keeping the rock repeatedly saturated.
A single dry day is far short of the 48–72+ hours needed after heavy rain on slow-drying Fell Sandstone, let alone a sheltered venue like Ravens Crag.
The crag's position below Bowden Doors ridge reduces wind exposure and direct sun, making it one of the slowest-drying venues in the Colour Heugh system.
Today's 30 km/h westerly wind directly hits this west-facing crag and will aid surface evaporation, though one day of wind cannot dry deeply saturated sandstone.
The 7-day average of 11.3°C is cool for June in Northumberland, reducing evaporation rates and extending drying times.
Average humidity of 78% over the past week significantly limits the rate of moisture evaporation from the rock surface.
Recommendations
3
- Do not climb at Ravens Crag today — the rock needs at least 2–3 more consecutive dry days with wind before conditions can be reassessed.
- If visiting the area, check Bowden Doors higher up the hillside first, as it dries faster; but even Bowden Doors is marginal after yesterday's rain.
- Monitor conditions from June 13–14: if those days remain dry as forecast, a cautious visual assessment on arrival may be warranted by late June 14, but further rain on June 15 will reset the clock.
Do Not Climb
95%
6 days ago
Ravens Crag is currently saturated and unsafe to climb. The past two weeks have seen over 50mm of rain with significant falls today (8.5mm) and on several recent days, and the crag's sheltered, slow-drying character means it will need an extended dry spell before conditions recover.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravens Crag sits lower on the hillside and is partially sheltered by the Bowden Doors ridge above, causing it to dry noticeably more slowly than its better-known neighbour — expect at least an extra day of drying time compared to Bowden Doors.
- The predominantly slab and low-angle nature of the problems means water sits on holds longer and friction is critical; even slight residual dampness makes the rounded holds dangerously slippery.
- Drainage from the hillside above can cause seepage and ground-level moisture to persist at the crag base well after rain has stopped, providing a useful field indicator of internal rock moisture.
- The west-facing aspect receives only afternoon and evening sun, which limits solar drying — combined with the sheltered position, this crag is one of the slower-drying Fell Sandstone venues.
Warnings
2
- Climbing on saturated Fell Sandstone causes irreversible hold breakage — the rounded slab holds at Ravens Crag are especially vulnerable.
- The rock surface may appear dry before the interior has dried; do not rely on visual appearance alone — test with the back of your hand and check base-of-crag ground moisture.
Reasoning
The rock is almost certainly saturated internally: 52.8mm of rain has fallen in the last 28 days including 8.5mm today, 2.2mm yesterday, and 3.9mm the day before, with zero consecutive dry days and persistent high humidity averaging 78% over the past week.
Despite moderate wind speeds (20–30 km/h) forecast from tomorrow, the crag's sheltered position below the ridge, west-facing aspect limiting direct sun, and the sheer volume of recent precipitation mean meaningful drying will take at least 48–72 hours of dry weather from when rain stops — and that clock has not yet started.
With the sandstone likely at or near saturation, compressive strength will be reduced by 30%+ and the rounded, iron-oxide-cemented holds characteristic of this crag are at serious risk of breakage under load.
Early June temperatures (12–16°C) are moderate and helpful for drying, but the recent unsettled spell with high humidity has negated any seasonal advantage; freeze-thaw is not a concern at this time of year.
Contributing Factors
6
Over 50mm in 28 days with 8.5mm falling today alone, keeping the porous sandstone deeply saturated.
Rain has fallen today and on multiple recent days, meaning the drying clock has not even begun.
The crag sits below the Bowden Doors ridge, reducing wind exposure and sun, causing it to dry significantly slower than nearby venues.
Average humidity of 78% over the past week and 87% today severely limits evaporative drying.
Dry weather with lower humidity (65–71%) and moderate-to-strong winds are forecast from June 12, which will begin the drying process.
Temperatures around 13–16°C are adequate for drying but not exceptional; they will help but not dramatically accelerate the process.
Recommendations
3
- Do not visit Ravens Crag today or for at least the next 2–3 days; the rock is saturated and climbing would risk permanent hold damage.
- Monitor conditions from June 14–15 onwards; if the dry spell holds, a careful visual and tactile assessment of the rock may be worthwhile by June 15 at the earliest.
- When you do visit, check the ground at the crag base — if it is still damp rather than sandy-dry, the rock interior is almost certainly still wet and you should not climb.
Do Not Climb
95%
8 days ago
Ravens Crag is currently saturated and unsafe to climb. Over 34mm of rain fell in the past 10 days with further rain today and forecast through June 11th — the porous Fell Sandstone will not have had any meaningful drying window and internal moisture levels will be dangerously high.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravens Crag sits lower on the hillside and is partially sheltered by the ridge above Bowden Doors, meaning it dries noticeably more slowly than other nearby venues even in good conditions.
- The predominantly slab-based and low-angle problems with rounded holds are especially vulnerable to moisture — wet rounded holds lose friction dramatically and any grain loosening permanently degrades these features.
- The west-facing aspect receives only afternoon/evening sun, which combined with the sheltered position means drying is slower than south-facing Northumberland crags.
- The crag is within the Colour Heugh SSSI; climbing on wet rock risks permanent damage to a scientifically designated site with irreplaceable geological features.
Warnings
3
- The rock is currently saturated — climbing today or in the next few days risks permanent hold breakage on irreplaceable slab problems.
- Surface-dry appearance after a brief sunny spell does NOT mean the rock is safe; internal moisture can persist for days after this level of prolonged wetting.
- This crag is within Colour Heugh SSSI — climbing on wet rock causes accelerated erosion to a protected geological site.
Reasoning
The rock is almost certainly saturated internally: 34+ mm of rain over the past 10 days (June 1–9) with no consecutive dry days, plus additional light rain on May 30–31, means the porous sandstone has had continuous water input with no opportunity to dry.
Despite moderate SW winds (20–30 km/h) the high humidity averaging 79% over the past week severely limits evaporative drying, and the sheltered lower position of Ravens Crag further reduces airflow across the rock surface.
With prolonged saturation well above the critical 1% moisture threshold, compressive strength will be reduced by 30%+ and the rounded slab holds are at serious risk of grain loosening and permanent breakage under climbing loads.
Early June should offer improving conditions, but this has been an unusually wet spell; temperatures around 12–16°C are moderate but insufficient to compensate for the persistent rainfall and high humidity.
Contributing Factors
7
Over 34mm of rain in the past 10 days with no consecutive dry days means the sandstone has been continuously absorbing water.
A further 4.7mm of scattered showers throughout today adds to the already saturated rock.
Average humidity of 79% over the past week drastically slows evaporative drying from the rock surface.
Ravens Crag's position below the ridge means reduced wind exposure and less direct sun compared to Bowden Doors, significantly extending drying times.
SW winds of 20–30 km/h provide some drying potential, though largely negated by the high humidity and sheltered aspect.
A further 8mm of rain forecast over the next two days will reset any drying progress and prolong saturation.
Three consecutive dry days forecast from June 12th with lower humidity (62%) and strong winds could begin meaningful drying.
Recommendations
3
- Do not climb at Ravens Crag until at least 48–72 hours of dry weather have elapsed after the last rain — earliest realistic window is June 14th or later.
- Check the ground at the base of the crag before climbing: if the soil is damp, the rock is certainly still too wet internally.
- Consider Bowden Doors as an alternative once conditions improve, as it sits higher and more exposed and will dry faster than Ravens Crag.
Do Not Climb
92%
9 days ago
Ravens Crag has received over 30mm of rain in the past 7 days, with significant falls on June 1–4 and further rain this morning — the rock will be thoroughly saturated internally. Even though this afternoon clears up, the sheltered, slow-drying nature of this venue means it needs multiple consecutive dry days before climbing is appropriate.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravens Crag sits lower on the hillside than Bowden Doors and is partially sheltered by the ridge above, so it dries noticeably more slowly than the main crag — expect an extra day or more of drying time compared to Bowden Doors.
- The predominantly slab-based, low-angle problems with rounded holds are especially vulnerable when damp: rounded holds rely on friction that is drastically reduced when wet, and low-angle rock retains surface moisture longer than steep or overhanging faces.
- The west-facing aspect means the crag only receives afternoon and evening sun, limiting direct solar drying — particularly problematic when combined with the sheltered position below the ridge.
- The crag is part of the Colour Heugh SSSI, and repeated wet climbing on this high-porosity Fell Sandstone causes irreversible erosion and hold breakage that degrades both the climbing and the geological interest of the site.
Warnings
3
- Climbing on saturated Fell Sandstone risks permanent destruction of the rounded holds and slab features that define this venue — damage is irreversible.
- The rock surface may appear dry while the interior remains saturated — do not be deceived by surface appearance after only a few hours of sunshine.
- Further rain is forecast on June 9, 10, and 12, which will continually reset drying progress through the week.
Reasoning
With 30.1mm of rain in the past 7 days — including heavy falls of 10.6mm (June 2), 6.1mm (June 3), 10.1mm (June 4), and 2.8mm today — the porous Fell Sandstone will be deeply saturated internally, well above the critical 1% saturation threshold where significant weakening begins.
Since the last heavy rain on June 4, there has been only one fully dry day (June 5 and 7), punctuated by further light rain on June 6 and today, with average humidity around 80% and moderate SW winds — completely insufficient drying time for a sheltered, west-facing crag that had absorbed over 30mm of water.
At current saturation levels, the sandstone will have lost 30%+ of its compressive strength, and the iron oxide cemented small holds that characterise this crag are at serious risk of breakage, particularly on the rounded slab holds that define the venue.
Early June temperatures of 12–15°C and moderate winds provide reasonable drying potential, but persistent high humidity (averaging 80%) and frequent rain events are preventing any meaningful drying from occurring.
Contributing Factors
7
Over 30mm in the past 7 days with multiple heavy events (10.6mm, 10.1mm, 7.4mm, 6.1mm) has deeply saturated the porous sandstone.
A further 2.8mm fell this morning, resetting any drying progress and keeping the surface and interior wet.
Zero consecutive dry days to date — the rock has had no opportunity for sustained drying since the wet spell began on May 30.
Average humidity of 80% over the past week severely limits evaporative drying, even when it is not actively raining.
Ravens Crag's position below the ridge and lower on the hillside means it dries noticeably slower than nearby Bowden Doors, extending required drying time.
Sustained SW winds of 20–30 km/h provide some drying assistance, though partial shelter limits their effectiveness at this venue.
Humidity drops to 46% this afternoon with some sun breaking through, offering a few hours of surface drying — but far too brief to address deep saturation.
Recommendations
3
- Do not climb at Ravens Crag today or in the coming days — the rock is thoroughly saturated and needs at least 3–4 consecutive dry days with low humidity before conditions could improve.
- If visiting the area, check Bowden Doors first as it sits higher and more exposed and will dry faster, but even there conditions are likely to be poor given recent rainfall totals.
- Before any visit later in the week, check whether the ground at the base of the crag is sandy-dry — if it is still damp, the rock interior is certainly still wet and should not be climbed.
Do Not Climb
93%
10 days ago
Ravens Crag has received nearly 35mm of rain over the past week across multiple events, with the most recent significant rainfall (10.1mm) only three days ago and a further 0.5mm yesterday. With only one full dry day, high humidity averaging 83%, and the crag's known slow-drying character, the rock will still be holding significant internal moisture — climbing today would risk permanent damage to this porous Fell Sandstone.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravens Crag sits lower on the hillside below Bowden Doors and is partially sheltered by the ridge above, meaning it receives less wind and less direct sun, and dries noticeably more slowly than the crags higher up.
- The predominantly low-angle slab problems with rounded holds are especially vulnerable to moisture damage, as water pools on slabs and rounded features retain moisture longer than steep overhangs.
- The west-facing aspect means the crag only gets afternoon/evening sun, which is less effective for drying than a south-facing aspect, particularly when combined with the sheltered position.
- Being part of the Colour Heugh SSSI adds an extra layer of conservation responsibility — damage to the rock surface here has both climbing and ecological consequences.
Warnings
3
- Slab-based problems on rounded holds are the most dangerous style to attempt on internally damp sandstone — holds can shear off without warning.
- The rock surface may appear dry while the interior remains saturated; do not be deceived by superficial drying on a windy afternoon.
- With 17mm+ of further rain forecast over the next four days, conditions will continue to deteriorate before they improve.
Reasoning
With 34.7mm of rain in the past seven days — including 10.1mm on June 4th (three days ago), 6.1mm on June 3rd, and 10.6mm on June 2nd — and only one fully dry day since, the rock will be substantially saturated internally despite any surface drying.
Only one dry day with moderate SW wind (29.9 km/h today) is wholly insufficient to dry porous Fell Sandstone after this volume of rain; the sheltered, west-facing aspect and 80%+ humidity over recent days have severely limited evaporation.
At the likely internal saturation level, compressive strength will be significantly reduced (potentially 30%+ loss), and the rounded slab holds characteristic of Ravens Crag are at high risk of grain loosening and breakage under climbing loads.
Early June should offer reasonable drying conditions, but the current spell of cool, humid, and rainy weather is behaving more like an unsettled spring pattern, and temperatures averaging only 12.6°C are slowing drying considerably.
Contributing Factors
6
Nearly 35mm fell over the past week across multiple events (June 1–4), with the heaviest single day being 10.6mm on June 2nd, thoroughly wetting the porous sandstone.
Only one fully dry day (today) has elapsed since the last trace of rain (0.5mm on June 6th), and only three days since the last heavy rain (10.1mm on June 4th) — far short of the 48–72+ hours needed after heavy rain.
Humidity has averaged 83% over the past week with readings of 86–88% on the wettest days, severely limiting evaporative drying from the rock surface.
Ravens Crag's position below the ridge and its partial shelter mean it dries noticeably slower than nearby Bowden Doors, extending the already long required drying window.
Winds of 23–29 km/h from SW directions have been present recently and will help surface drying, though partial shelter reduces their effectiveness at crag level.
Rain is forecast for each of the next four days (2.8mm, 5.8mm, 4.3mm, 2.9mm), meaning any drying progress will be repeatedly reversed.
Recommendations
3
- Do not climb at Ravens Crag today or in the coming days — the rock needs a sustained dry spell of at least 3–4 days after this level of saturation, and none is forecast.
- If conditions improve after June 12th, check the ground at the base of the crag before climbing: if it is damp or dark-coloured rather than sandy-dry, the rock is still holding moisture internally.
- Consider non-porous alternatives in the region (such as whinstone crags like Kyloe or the Wanneys' harder-cemented faces) if you need a climbing fix during this wet spell.
Do Not Climb
95%
11 days ago
Ravens Crag has received over 36mm of rain in the last week across multiple days (June 1–4), with further light rain today and no meaningful dry period since. The rock will be thoroughly saturated internally, and the forecast shows continued wet weather for the next five days, offering no opportunity to dry.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravens Crag sits lower on the hillside and is partially sheltered by the ridge above Bowden Doors, meaning it dries noticeably more slowly than the upper crag even in good conditions.
- The predominantly low-angle slab-based problems with rounded holds are especially sensitive to residual moisture — reduced friction on rounded holds when damp makes them both dangerous to climb and vulnerable to polish damage.
- The west-facing aspect receives only evening sun, which combined with the sheltered position and current high humidity (~82–87%), severely limits evaporative drying.
- Being part of the Colour Heugh SSSI, any damage from climbing on wet rock has conservation as well as climbing ethics implications.
Warnings
2
- Climbing on this saturated Fell Sandstone risks permanent hold breakage and irreversible route damage — the rounded slab holds at Ravens Crag are particularly fragile when wet.
- The forecast shows continued rain through June 11; realistic earliest conditions for reassessment would be mid-June at the earliest, assuming a sustained dry spell begins.
Reasoning
The crag has received 36.4mm over the past week across four significant rain events (June 1–4) plus light rain today, and with average humidity at 82% the porous Fell Sandstone will be deeply saturated throughout.
There has been only one dry day (June 5) since the last heavy rain on June 4, and today brought further rain; the west aspect and sheltered position mean drying has been minimal, far short of the 72+ hours needed after heavy cumulative rainfall.
With the rock likely near or above critical saturation levels after prolonged wetting, compressive strength will be reduced by 30–50%, making the rounded holds characteristic of this venue highly prone to breakage.
Early June temperatures (12–18°C) are moderate but the persistent high humidity (82% average) and frequent rain are preventing the summer drying conditions that would normally benefit this venue.
Contributing Factors
7
Over 36mm fell in the last 7 days across multiple events (June 1–4 plus today), thoroughly saturating the porous sandstone.
Only one fully dry day (June 5) has occurred since the last heavy rain, far short of the 72+ hours minimum required after heavy cumulative rainfall on this slow-drying crag.
Humidity has averaged 82% over the past week, severely limiting evaporative drying even on nominally dry days.
Ravens Crag's position below the ridge makes it slower to dry than Bowden Doors, adding further drying time beyond the standard guidelines.
The west-facing aspect only receives evening sun, providing less solar drying energy than a south-facing crag.
Winds of 20–29 km/h from the SW provide some drying benefit, though the sheltered position reduces this effect and humidity is too high for it to matter significantly.
The next five days forecast an additional 33mm of rain, meaning the rock will receive further wetting with no prospect of drying.
Recommendations
3
- Do not visit Ravens Crag until there have been at least 3–4 consecutive fully dry days with humidity below 75% — given the sheltered position, err toward the longer end of drying guidelines.
- Consider Bowden Doors as a faster-drying alternative when conditions eventually improve, but even the upper crag will need extended drying time after this prolonged wet spell.
- Check the base of the crag for damp ground as a proxy for internal rock moisture before touching anything — if the soil at the crag foot is damp, the rock is certainly still wet inside.
Climbing Outlook