Condition Analysis
AI-powered assessment using site data and 14-day weather history
Ravensheugh has had 5 consecutive dry days following light rain (2.3mm on Aug 9), with the last significant rainfall (7.4mm) on Aug 4 — now 10 days ago. Despite the NW aspect and 400m altitude, the combination of warm temperatures (up to 28°C recently), moderate-to-strong SW/W winds, and lower humidity (56–77%) over the drying window should have dried the rock adequately.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- The NW aspect means Ravensheugh receives minimal direct sun — drying relies heavily on wind and ambient temperature rather than solar heating, so the strong westerly winds of recent days have been critical.
- At 400m altitude, cloud base can sit on the crag even on otherwise fine days, re-wetting surfaces with condensation — check visibility and cloud level before committing to the 45-minute walk-in.
- The 45-minute approach makes it especially costly to arrive and find damp rock; consider checking Lordenshaws or Simonside Crag conditions as a proxy before walking in.
- The recent warm spell (25–28°C on Aug 12–13) with low humidity (56–60%) and sustained wind will have driven exceptional drying even on this north-facing aspect.
Warnings
1
- Significant rain is forecast from Aug 17 onwards — do not plan to climb after this date without a fresh 2–3 day drying period.
Reasoning
The last meaningful rain was 2.3mm on Aug 9 (5 days ago), and the more significant 7.4mm event was on Aug 4 (10 days ago), so even with the NW aspect and 400m altitude, internal moisture should have dissipated given the extended warm, windy drying period.
Five days of dry weather with sustained SW/W winds (15–22 km/h), warm temperatures peaking at 28°C, and humidity dropping as low as 56% provide excellent drying conditions that compensate well for the lack of direct sun on this NW-facing crag.
With 5+ dry days and the exceptional warm spell, the rock should be well below any critical saturation threshold, and freeze-thaw is not a concern in mid-August.
Mid-summer conditions with long days and warm temperatures represent the best drying window of the year for this high, north-facing crag.
Contributing Factors
6
Five days without meaningful precipitation since the 2.3mm on Aug 9, comfortably exceeding the 2-day minimum guideline even for this slow-drying aspect.
Temperatures reached 25–28°C on Aug 12–13 with humidity as low as 56%, driving rapid evaporation even on a NW-facing crag.
Consistent SW/W winds at 15–23 km/h over the drying period, and the exposed nature of the crag means these have effectively cleared surface and near-surface moisture.
The north-west facing aspect receives minimal direct sun, and at 400m the crag is prone to cloud and cooler conditions that slow drying.
The most recent rain was only 2.3mm (Aug 9), requiring far less drying time than a heavy soaking event.
Significant rain (5.9mm and 7.6mm) is forecast for Aug 17–18, which will reset drying conditions and require a fresh drying period.
Recommendations
3
- Conditions today and over the next two days (Aug 15–16) represent an excellent window — plan to climb before the rain arrives on Aug 17.
- Check cloud base before committing to the walk-in; if cloud is sitting on the Simonside ridge, the crag may be in mist and surfaces could be damp from condensation.
- Carry a brush and check lower sections and crack interiors for residual dampness, as seepage can linger at the crag base even when walls are dry.
Previous Analyses
Likely Safe to Climb
82%
2 days ago
Ravensheugh has had four consecutive dry days following only light rain (2.3mm on Aug 9), with today being exceptionally warm and dry (28°C, 56% humidity). The exposed aspect and sustained winds have aided drying, and despite the NW-facing orientation, conditions should be genuinely dry for climbing today.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- The 45-minute walk-in means conditions cannot be easily re-checked — verify the base of the crag is sandy-dry on arrival before committing to routes.
- NW-facing at 400m means the crag receives very limited direct sun; drying here relies heavily on wind and ambient temperature rather than solar heating.
- The recent wet spell (7.4mm on Aug 4, 2.7mm on Aug 5, plus smaller amounts on Aug 6 and 9) loaded moisture into the rock, but nine days of predominantly dry weather since the heaviest rain has allowed thorough drying.
- As an SSSI site, any damage from climbing on insufficiently dried rock would be particularly harmful — always perform a tactile check on holds before committing.
Reasoning
The last significant rain was 2.3mm on August 9, four days ago, preceded by a heavier spell on Aug 4–6 (10.6mm total), giving 7–9 days of mostly dry weather since the main wetting event — more than adequate for the volumes involved.
Despite the NW aspect limiting direct sun, the exposed position with consistent 15–24 km/h winds over the drying period, combined with summer temperatures averaging 16–21°C and dropping humidity (down to 56% today), has driven effective evaporative drying over four clear days since the last trace rain.
With four full dry days since only 2.3mm of rain and nine days since the heavier 7.4mm event, internal moisture levels should be well below the critical thresholds for strength loss in Fell Sandstone.
Mid-summer conditions are optimal for drying with long daylight hours, warm ambient temperatures, and no freeze-thaw risk; today's 28°C peak is exceptional and will have further desiccated the rock surface.
Contributing Factors
6
No meaningful precipitation since 2.3mm on Aug 9, exceeding the minimum 24–48 hour guideline for light rain and approaching the recommended extra 1–2 days for this NW-facing crag.
Today's 28°C peak with humidity dropping to 36% at midday provides powerful evaporative drying conditions rarely seen at this altitude.
Ravensheugh's exposed position has received consistent 15–24 km/h winds throughout the drying period, significantly accelerating moisture removal from the rock surface.
The north-west facing orientation means the crag receives minimal direct sunlight, so drying has been driven primarily by wind and ambient temperature rather than solar heating.
The most significant rain (7.4mm on Aug 4) fell nine days ago, with only trace-to-light amounts since, providing ample time for deep drying even in porous sandstone.
The 7-day average humidity of 71% is acceptable for summer drying though not ideal, but today's drop to 56% (and 36% at peak) provides a strong final drying push.
Recommendations
3
- Perform a ground-moisture check at the crag base on arrival — if the soil and rock foot are sandy-dry, conditions are confirmed good for climbing.
- Prioritise the afternoon session today when temperatures and low humidity are at their peak; the walk-in timing works well for arriving around midday.
- Be aware that rain is forecast from August 16 onward — today and the next two days represent the best window before the next wet spell.
Marginal — Assess Conditions
62%
3 days ago
The last significant rain was 2.7mm on August 5th, followed by scattered trace amounts and a dry spell from Aug 10–11, giving roughly 2 full dry days with decent winds before today's trace moisture. Today is warm (25°C) with low humidity and moderate wind, which helps, but the NW aspect at 400m and recent intermittent light precipitation mean the rock may not be fully dry internally — a visual check on arrival is essential.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravensheugh's NW aspect at 400m receives virtually no direct sun, so drying relies almost entirely on wind and ambient temperature — the exposed position helps significantly but cannot fully compensate for the lack of solar heating.
- The 45-minute walk-in makes a wasted trip costly; consider checking conditions at lower, more accessible Fell Sandstone crags first as a proxy, though Ravensheugh will always be wetter.
- The recent pattern shows repeated light wettings (0.3mm on Aug 3, 7.4mm on Aug 4, 2.7mm on Aug 5, 0.5mm on Aug 6, 2.3mm on Aug 9, trace today) which can keep the rock's internal moisture elevated even when individual events seem minor.
- Seepage lines and lower sections of the crag will be the last to dry — focus on upper, more exposed walls and avoid routes near drainage features or mossy patches.
Warnings
2
- Today's 0.1mm trace rain is forecast around 19:00 — plan to be done climbing before evening if heading out today.
- Fell Sandstone holds can break without warning when internally damp even if the surface appears dry — test holds carefully and retreat if anything feels soft or gritty.
Reasoning
The last meaningful rain was 2.3mm on August 9th (3 days ago) with only trace amounts since, but the cumulative pattern of repeated light wettings through early August means internal moisture may still be elevated, particularly in the porous Fell Sandstone.
Two full dry days (Aug 10–11) with moderate SW/S winds (15–19 km/h) and today's warm, low-humidity conditions provide reasonable drying, but the NW aspect at 400m limits solar evaporation, so drying is slower than at south-facing lowland crags.
With 2.3mm three days ago and persistent moderate humidity (~75% average over the past week), there is a residual risk that some internal moisture remains, which could weaken iron-oxide cemented holds on this high-porosity sandstone.
Mid-summer temperatures (14–25°C) and long daylight hours are favourable for drying, and freeze-thaw risk is absent, making this one of the better times of year for Fell Sandstone.
Contributing Factors
6
Repeated light wettings through early August (7.4mm on Aug 4, 2.7mm on Aug 5, 2.3mm on Aug 9) have kept the rock periodically re-wetted, preventing a sustained deep drying period.
August 10–11 were dry with moderate winds (15–19 km/h) and reasonable temperatures, providing roughly 48 hours of uninterrupted drying before today's trace rain.
Today's 25°C peak and 42–59% humidity with moderate wind create excellent evaporative conditions that will significantly aid surface and near-surface drying.
The north-west facing aspect receives minimal direct sunlight, meaning drying is almost entirely wind-dependent, and the 400m altitude brings cooler baseline temperatures and more frequent cloud.
Ravensheugh's exposed position on the Simonside scarp means it benefits from strong, sustained winds that significantly aid drying — a critical advantage for a NW-facing crag.
Today's 0.1mm (forecast at 19:00) is negligible but indicates marginal instability, and the consecutive dry day count resets to zero, reflecting the difficulty of achieving sustained dryness.
Recommendations
3
- If heading out today, climb in the afternoon window (12:00–18:00) when humidity is lowest and drying is most advanced, and physically test the rock surface — if it feels cool or tacky underfoot, back off.
- Prioritise upper, more exposed sections of the crag and avoid lower walls, seepage lines, and mossy areas which will retain moisture longest.
- Given the 45-minute approach, phone or check with the local climbing community (Northumbrian Mountaineering Club) for recent condition reports before committing to the walk-in.
Do Not Climb
45%
5 days ago
The last significant rain was 2.3mm on August 9th (yesterday), with a heavier spell of 7.4mm on August 4th and further rain on August 5th and 6th — only one full dry day has elapsed since the most recent rainfall. Given Ravensheugh's NW aspect at 400m, high recent humidity (~81% average), and the porous nature of Fell Sandstone, the rock is very likely still holding internal moisture despite any surface drying today.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravensheugh's NW aspect at 400m receives minimal direct sun, meaning drying relies almost entirely on wind and ambient temperature — allow 1–2 extra dry days compared to south-facing Fell Sandstone crags.
- The 45-minute walk-in makes it especially important to be confident of conditions before setting off; a wasted trip here is particularly frustrating, so err on the side of waiting.
- The crag is exposed to wind which is the primary drying mechanism here — the moderate SW winds today (13 km/h) and forecast stronger S winds tomorrow (19 km/h) will help, but need more time to take effect.
- Repeated rain events through late July and early August (23.7mm over 28 days) mean the rock has had little opportunity to fully dry out at depth; cumulative saturation is a concern even though individual rainfall totals are modest.
Warnings
2
- Do not climb today — only one dry day since rain on porous Fell Sandstone at a NW-facing crag is insufficient; the rock will be internally wet even if the surface appears dry.
- Repeated wetting over recent weeks means lower sections and seepage lines may remain damp even after 2–3 dry days.
Reasoning
With 2.3mm falling yesterday (Aug 9), 0.5mm on Aug 6, and 7.4mm + 2.7mm on Aug 4–5, only one dry day has passed since the last rain — at a NW-facing 400m crag with 81% average humidity, internal moisture is almost certainly still present.
Today's moderate SW wind (~13 km/h) and dropping humidity through midday (down to ~54%) are helpful, but with only one dry day since 2.3mm of rain on a shaded NW face, the drying front has barely begun to penetrate the porous sandstone.
Fell Sandstone loses up to 32% compressive strength on average when wet, and the repeated wetting cycles over recent weeks increase the risk of weakened iron-oxide holds and grain loosening — climbing today would risk permanent damage.
Summer conditions are generally favourable for drying, but the cool temperatures at 400m (average 13.3°C over the past week) and persistent high humidity have limited drying potential compared to a typical lowland summer scenario.
Contributing Factors
7
2.3mm fell on August 9th, giving only one dry day — insufficient drying time for porous Fell Sandstone on a NW face.
Multiple rain events over the past two weeks (12.9mm in 7 days, 23.7mm in 28 days) have kept the rock repeatedly saturated with little opportunity to dry fully at depth.
The NW-facing aspect receives very little direct sunlight, removing solar heating as a drying factor and leaving wind as the primary mechanism.
Average humidity of 81% over the past 7 days severely limits evaporative drying, even with wind exposure.
The crag's exposed position on Tosson Hill means sustained wind contact, which is the main drying driver at this aspect and is partially compensating for the lack of sun.
A dry spell with warming temperatures (up to 27.5°C by Aug 13) and lower humidity (62–70%) is forecast from tomorrow, which will progressively dry the rock.
At 400m the average temperature has been only 13.3°C, slowing evaporation rates compared to lower-altitude venues.
Recommendations
3
- Wait at least until August 12th (two full dry days with improving conditions) before considering a visit, and ideally until August 13th for greater confidence.
- If visiting on the 12th or 13th, check the base of the crag carefully on arrival — if the ground is damp or dark patches are visible on the rock, do not climb.
- Given the 45-minute approach, consider calling local climbers or checking UKC logbook entries for recent condition reports before committing to the walk-in.
Do Not Climb
70%
5 days ago
Ravensheugh received 1.8mm of rain today (Aug 9) on top of a wet recent spell including 7.4mm on Aug 4, 2.7mm on Aug 5, and 0.5mm on Aug 6, with only two fully dry days since. The NW-facing aspect at 400m altitude combined with high average humidity (83%) means the rock is very likely still damp internally despite exposed wind helping surface drying.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravensheugh's NW aspect receives minimal direct sun, so drying relies almost entirely on wind and ambient temperature — the site notes explicitly recommend 1–2 extra dry days beyond the usual sandstone guidelines.
- The 45-minute walk-in makes condition-checking costly; climbers should be especially confident of dryness before committing to the approach.
- The crag sits at 400m in the Simonside Hills where cloud and hill-fog are common even in summer, further slowing evaporation.
- Westerly and south-westerly winds hit this NW-facing scarp reasonably well, which is the main drying mechanism here — the strong winds forecast for Aug 10–11 are the crag's best chance of drying out.
Warnings
2
- Today's rain on top of a wet spell means the rock is almost certainly too wet to climb safely — hold breakage risk is elevated.
- Surface-dry appearance can be misleading on Fell Sandstone; internal moisture causes significant strength loss even when the face looks climbable.
Reasoning
With 1.8mm of rain today and 12.7mm over the past 7 days including a 7.4mm event on Aug 4, the rock is almost certainly saturated or near-saturated internally despite any surface drying during the two dry days of Aug 7–8.
The two dry days (Aug 7–8) with decent SW winds (~22 km/h) would have begun surface drying from the Aug 4–6 rain, but today's 1.8mm has reset the clock; the NW aspect means wind is the only meaningful drying agent and at least 48 hours of dry weather is needed.
Given the repeated wetting cycles over the past two weeks and high average humidity of 83%, internal moisture levels pose a real risk of grain loosening and hold breakage on the iron-oxide-cemented holds that define Ravensheugh's routes.
Summer temperatures (~15–20°C) and moderate winds are helpful for drying, but the persistently high humidity in this upland location is significantly offsetting those benefits.
Contributing Factors
7
1.8mm fell today (Aug 9), re-wetting surfaces that had only partially dried from the heavier rain on Aug 4–6.
12.7mm over the past 7 days including a 7.4mm event on Aug 4, meaning the rock has had repeated saturation with insufficient drying windows.
The NW-facing scarp receives very little direct sunlight, removing the most effective drying mechanism and leaving the crag reliant on wind alone.
Average humidity of 83% over the past week significantly slows evaporation, as the moisture gradient between rock and air is small.
The crag is highly exposed to wind, and prevailing SW–W winds hit the NW face reasonably well, providing the primary drying mechanism.
Temperatures around 15–20°C are adequate for evaporation, though the 400m altitude keeps conditions cooler than lowland crags.
Two consecutive dry days are forecast with moderate winds and lower humidity (72–75%), which should allow meaningful drying progress.
Recommendations
3
- Do not climb today or tomorrow; allow at least 48 hours of dry weather from Aug 10 to begin drying the rock from today's rain.
- The best window this week is likely Aug 11 afternoon at earliest, but check conditions carefully on arrival — if the ground at the crag base is damp, the rock is still wet internally.
- Given the 45-minute approach, consider checking conditions at more accessible nearby crags first, or contact local climbers for up-to-date reports before committing to the walk-in.
Do Not Climb
55%
6 days ago
Recent rain on 4–6 August (10.6mm total) followed by only one fully dry day (7 Aug) and a trace today means the NW-facing rock at 400m is very likely still damp internally, despite the exposed wind helping surface drying. With further rain forecast tomorrow (2.7mm), conditions are not expected to improve until at least 11–12 August.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravensheugh's NW aspect at 400m receives minimal direct sun, so internal drying relies almost entirely on wind and ambient temperature — allow 1–2 extra dry days compared to south-facing Fell Sandstone crags.
- The 45-minute walk-in makes a wasted trip especially costly; confirming conditions remotely or via the UKC/BMC logbooks before setting out is strongly advised.
- The exposed position and recent strong SW/W winds (20–30 km/h) are the main drying asset here, partially compensating for the poor aspect, but humidity has remained high (82% average over the last week).
- The crag sits within the Simonside Hills SSSI; any damage from climbing on wet sandstone is both an ethical and a conservation concern.
Warnings
2
- Do not be deceived by surface dryness — Fell Sandstone loses up to 50% compressive strength when internally damp, and the surface dries long before the interior.
- The iron oxide holds that define Ravensheugh's climbs are irreplaceable; climbing on damp rock risks permanent route damage at this premier venue.
Reasoning
10.6mm fell between 4–6 August with only one fully dry day since (7 Aug) and a trace today, meaning internal moisture levels in this porous Fell Sandstone are still elevated despite surface drying.
Strong SW/W winds (23–31 km/h) on 5–8 August have aided surface evaporation, but the NW aspect receives almost no direct sun and humidity has averaged 82% over the past week, severely limiting effective drying depth.
With likely internal saturation still above the critical threshold after only ~1.5 dry days, iron oxide cemented holds are at meaningful risk of breakage — the 32% average compressive strength loss applies.
Summer temperatures (13–19°C) are adequate for drying but not exceptional at 400m altitude; no freeze-thaw risk at present, which is a positive.
Contributing Factors
7
10.6mm fell across 4–6 August, well above the light rain threshold, requiring 48–72+ hours of dry weather for adequate drying.
Only one fully dry day (7 Aug) has passed since the last significant rain, with a trace of 0.2mm today — far short of the 2–3 dry days this NW-facing crag needs.
Humidity has averaged 82% over the past 7 days, substantially reducing the rate of evaporative drying from the rock surface.
Sustained winds of 20–32 km/h from SW/W directly hitting the NW face have been the primary drying mechanism, partially offsetting poor aspect and humidity.
The NW-facing scarp receives negligible direct solar radiation, removing the most effective drying mechanism for porous sandstone.
2.7mm forecast for 9 August will reset the drying clock before adequate drying has occurred, prolonging unfavourable conditions.
Temperatures of 15–19°C are sufficient for reasonable evaporation rates, and there is no freeze-thaw risk.
Recommendations
3
- Do not climb today or tomorrow; wait for at least two consecutive dry days after the forecast rain on 9 August — earliest realistic window is 11–12 August.
- Given the 45-minute approach, check UKC condition logs or contact local climbers before committing to the walk-in.
- If visiting from 12 August onward, test the ground at the crag base and lower sections first — if the soil or base rock feels damp, the upper rock is still holding moisture internally.
Do Not Climb
35%
7 days ago
Ravensheugh received significant rain on August 4th (7.4mm) and 5th (2.7mm), with only one full dry day since on this NW-facing, 400m crag. Despite today's dry weather and moderate winds, the rock is very likely still holding internal moisture given the aspect, altitude, and high average humidity (83%) over the past week. We recommend waiting.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravensheugh's NW aspect at 400m receives virtually no direct sun, meaning drying relies almost entirely on wind and ambient temperature — the site-specific guidance recommends 1–2 extra dry days beyond the standard minimums.
- The 45-minute walk-in makes it especially costly to arrive and find damp rock; checking conditions remotely or consulting local climbers before committing is strongly advised.
- The crag is exposed and has been receiving strong SW/W winds (22–32 km/h) which is the single most helpful drying factor at this venue, partially offsetting the poor aspect.
- The steep, technical wall climbing and thin cracklines characteristic of Ravensheugh are particularly vulnerable to hold breakage on damp Fell Sandstone — the small iron-oxide-cemented holds rely on full rock integrity.
Warnings
2
- Do not climb today — only one dry day after 10mm+ of rain on NW-facing Fell Sandstone is insufficient; internal moisture poses hold breakage and permanent route damage risk.
- The rock surface may appear dry while still being significantly weakened internally — surface appearance is not a reliable indicator at this venue.
Reasoning
7.4mm fell on August 4th followed by 2.7mm on August 5th and a trace 0.5mm on August 6th, with only one confirmed dry day (today) — internal moisture is very likely still elevated given the NW aspect and 400m altitude.
Strong SW/W winds (22–31 km/h) over the past two days provide meaningful evaporative drying, but the NW-facing aspect blocks direct sun and average humidity of 83% over the past week significantly retards drying, leaving the rock likely still damp internally.
With only one dry day after ~10mm of rain in three days, Fell Sandstone at this venue is at elevated risk of hold breakage — compressive strength may still be reduced by 20–40% given likely internal saturation above the critical 1% threshold.
Summer conditions are broadly favourable with temperatures around 15°C and no freeze-thaw risk, but August has been unusually cool and humid at this altitude, slowing drying rates compared to ideal summer conditions.
Contributing Factors
7
7.4mm on Aug 4th plus 2.7mm on Aug 5th and 0.5mm on Aug 6th totals ~10.6mm in three days, requiring 48–72+ hours of dry weather for adequate drying.
Today (Aug 7th) is only the first fully dry day since the rain, far short of the minimum 48-hour drying window needed after heavy rain on NW-facing sandstone.
The NW-facing scarp receives virtually no direct solar radiation, removing the most effective natural drying mechanism and prolonging internal moisture retention.
Average humidity of 83% over the past seven days severely limits evaporative drying potential from the rock surface.
Sustained winds of 22–32 km/h from SW/W over recent days provide the primary drying mechanism at this exposed venue, partially compensating for poor aspect.
Temperatures of 13–20°C avoid freeze-thaw risk and support moderate evaporation rates, though cooler than ideal for rapid drying.
At 400m the crag is frequently in or near cloud base, which can deposit moisture even without recorded precipitation and maintains high surface humidity.
Recommendations
3
- Wait at least until August 10th–11th before visiting, ideally after two consecutive fully dry days with continued wind.
- Check the ground at the base of the crag on arrival — if it is at all damp, the rock interior will still be wet and climbing should be avoided.
- Given the 45-minute approach, consider contacting local Northumberland climbers or checking UKClimbing forums for on-the-ground condition reports before making the walk.
Do Not Climb
70%
9 days ago
Ravensheugh received 7.4mm on Aug 4 and 2.7mm on Aug 5, with only a trace of drizzle today — the NW-facing aspect at 400m with persistently high humidity (81% average over the last week) means internal moisture is very likely still present despite strong winds. We recommend waiting at least until tomorrow afternoon at the earliest, and ideally until Aug 8 when a second full dry day with good winds will have passed.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravensheugh's NW aspect at 400m receives virtually no direct sun, so drying relies almost entirely on wind and ambient temperature — the site notes explicitly advise 1–2 extra dry days beyond the normal guideline.
- The 45-minute approach means a wasted trip if conditions are poor on arrival; checking conditions remotely or contacting local climbers before committing is especially important here.
- The crag is exposed to prevailing westerly and south-westerly winds, which is currently helping drying — today's 29 km/h W wind and tomorrow's 24 km/h SW are favourable for evaporation on the NW face.
- Recent weeks have seen repeated small wetting events (10.7mm in the last 7 days, 22.7mm in 28 days), meaning the rock has had limited opportunity to fully dry out between showers — cumulative saturation is a concern.
Warnings
2
- Do not climb today — the rock is almost certainly still holding significant internal moisture from 10mm+ of rain in the last 48 hours.
- The surface may feel dry to the touch while the interior remains dangerously weakened; iron-oxide holds at Ravensheugh are irreplaceable and especially vulnerable when wet.
Reasoning
The crag received 7.4mm on Aug 4 and 2.7mm on Aug 5 — combined over 10mm in two days — followed by only a trace today, meaning the rock has had less than 24 hours of meaningful drying from significant rainfall on a NW-facing, high-altitude face.
Strong westerly winds (24–31 km/h) are actively drying the exposed face, but high humidity (81% weekly average) and the NW aspect with no direct sun severely limit evaporation rate; at least 48–72 hours of dry weather is needed after >10mm of rain at this venue.
With recent heavy rain and insufficient drying time, internal moisture likely remains well above 1% saturation — Fell Sandstone loses significant compressive strength rapidly, and the iron-oxide holds characteristic of Ravensheugh are vulnerable to breakage.
Summer conditions are generally favourable for drying, but August temperatures at 400m have been cool (averaging ~13°C) and humidity persistently high, reducing the seasonal advantage.
Contributing Factors
6
7.4mm on Aug 4 and 2.7mm on Aug 5 totalling over 10mm in 48 hours, with only trace precipitation since — insufficient drying time has elapsed.
The NW-facing crag at 400m receives negligible direct sunlight, removing solar heating as a drying mechanism and leaving wind as the primary driver.
Sustained winds of 24–32 km/h from W/SW today and tomorrow are hitting the NW face effectively, significantly accelerating surface drying.
Average humidity over the past week has been 81%, reducing the vapour pressure gradient and slowing evaporation from the rock surface.
Repeated small rain events throughout July and early August (22.7mm over 28 days in multiple episodes) have prevented the rock from ever fully drying out.
Average temperatures of ~13°C over the past week at 400m are below optimal for rapid evaporative drying of porous sandstone.
Recommendations
3
- Wait until at least Aug 8 afternoon when two full dry days with good winds will have passed — this gives the best chance of adequately dried rock at this NW-facing venue.
- If visiting on Aug 8 or 9, perform a thorough touch test on holds and check for any dampness at the crag base before committing to climb.
- Contact local Northumberland climbers or check the UKC Ravensheugh logbook for recent condition reports before making the long walk-in.
Do Not Climb
92%
11 days ago
Ravensheugh received 5.5mm of rain today (most of it overnight and around midday), following light rain yesterday and 2.8mm on July 28th — the rock is currently wet. The NW aspect at 400m, combined with high humidity (average 79% over the past week), means drying will be slow; at least two full dry days are needed before conditions could be considered acceptable.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravensheugh's NW aspect receives virtually no direct sun, so drying relies almost entirely on wind and ambient temperature — even in summer, allow 1–2 extra dry days compared to south-facing Fell Sandstone venues.
- The 400m altitude means cloud immersion and hill fog are common, which can maintain near-100% humidity at the crag even when lowland weather appears fine.
- The 45-minute walk-in makes condition-checking costly — it is especially important to be confident of dry rock before committing to the approach.
- Recent weeks have seen repeated light showers (0.1–0.8mm) interspersed between the heavier falls, preventing the rock from ever fully drying out internally since mid-July.
Warnings
2
- Fell Sandstone loses up to 50% of its compressive strength when wet — climbing on damp rock risks permanent hold breakage on Ravensheugh's irreplaceable routes.
- The rock surface may appear dry while the interior remains dangerously saturated; do not rely on visual dryness alone after repeated recent rain.
Reasoning
The rock is currently wet from 5.5mm of rain today, with additional moisture from 0.3mm yesterday and a pattern of intermittent showers throughout the past two weeks preventing full internal drying.
Despite the exposed position providing good wind (average ~18 km/h from the west/southwest), the NW aspect receives no meaningful direct sun and humidity has averaged 79% over the past week, meaning drying will be slow — a minimum of 48 hours of dry, breezy weather is needed.
With fresh rain on already moisture-laden sandstone, the rock is likely at significant saturation levels, posing a real risk of hold breakage and grain loosening on the iron-oxide-cemented features that define Ravensheugh's technical routes.
Summer temperatures are moderate (13–21°C) which aids drying somewhat, but the persistent high humidity and frequent shower pattern of late July / early August 2026 have kept the rock in poor condition for weeks.
Contributing Factors
7
Significant rainfall today, mostly overnight and around midday, has freshly saturated the rock surface and replenished internal moisture.
Intermittent light rain on July 25, 26, 28, 29, 31, and August 3 has prevented the rock from fully drying internally over the past 10 days.
The north-west facing scarp receives negligible direct sunshine, removing the most powerful drying mechanism and leaving the crag reliant on wind alone.
Average humidity of 79% over the past week severely limits evaporative drying, and at 400m altitude cloud contact is likely.
The exposed hilltop position provides sustained wind (12–25+ km/h), which is the primary drying mechanism for this NW-facing crag.
Temperatures of 14–21°C are adequate for some evaporative drying, though not exceptional for summer.
A further 2mm is forecast for August 5th, which will reset drying progress before the rock has had any meaningful opportunity to dry.
Recommendations
3
- Do not climb today or tomorrow — the rock is wet from today's rain and further rain is forecast for August 5th.
- The earliest realistic window is August 7th after a full dry day on August 6–7, but check the forecast for the 1mm predicted on August 8th as conditions remain marginal all week.
- Given the 45-minute approach, consider checking UKClimbing or local forums for on-the-ground condition reports before committing to the walk-in.
Do Not Climb
85%
12 days ago
Ravensheugh has received light but repeated rain over recent days (2.8mm on Jul 28, 0.3mm on Jul 29, 0.1mm on Jul 31, 0.9mm today) with no sustained dry spell, and 11.6mm of heavy rain is forecast tomorrow — conditions are clearly unsuitable now and will worsen significantly before any drying window opens. The NW aspect at 400m, combined with persistent high humidity (79% average last 7 days) and 100% cloud cover today, means internal moisture levels remain elevated despite individually light rainfall totals.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Ravensheugh's NW aspect at 400m receives virtually no direct sun, meaning drying relies almost entirely on wind and ambient temperature — with recent easterly/southerly winds the crag face has been somewhat sheltered from the prevailing airflow.
- The 45-minute walk-in makes conditions assessment particularly costly — arriving to find damp rock wastes a significant effort, so checking remotely before committing is essential.
- The crag's steep walls and crack systems can channel seepage internally for days after rain, and the repeated light showers (Jul 28, 29, 31, Aug 3) have kept the rock in a semi-saturated state without any meaningful drying window.
- The upcoming heavy rain on Aug 4 (11.6mm) will reset any drying progress and likely require 48–72+ hours of dry weather afterwards, which the forecast does not provide.
Warnings
2
- 11.6mm of rain forecast tomorrow (Aug 4) will fully saturate the rock — do not attempt to climb at Ravensheugh in the coming days.
- Repeated wetting cycles without full drying weaken Fell Sandstone internally even when the surface may appear dry — hold breakage risk is elevated.
Reasoning
Repeated light rain events on Jul 28 (2.8mm), Jul 29 (0.3mm), Jul 31 (0.1mm), and today Aug 3 (0.9mm) have kept the rock in a persistently damp state with no dry window exceeding 2 consecutive days since Jul 26's 6.2mm event.
Despite the exposed position offering good wind, the NW aspect at 400m means no direct sun to drive evaporation, and average humidity of 79% with 100% cloud cover today severely limits drying potential — the rock has not had adequate conditions to dry internally.
The cumulative effect of repeated wetting without full drying means the sandstone's internal moisture is likely well above the 1% threshold where significant weakening begins, posing real risk of hold breakage on Ravensheugh's characteristically small iron-oxide holds.
Summer temperatures (averaging ~14°C at altitude) are adequate but not exceptional for drying, and the persistent cloud and humidity are more typical of an unsettled Atlantic weather pattern that offers no sustained drying window.
Contributing Factors
6
Rain on Jul 26 (6.2mm), Jul 28 (2.8mm), Jul 29 (0.3mm), Jul 31 (0.1mm), and today (0.9mm) has kept the rock in a persistently damp cycle with no meaningful drying window.
11.6mm forecast for Aug 4 will thoroughly saturate the rock and reset any partial drying that has occurred.
The NW-facing aspect at 400m receives minimal direct sunlight, so drying depends entirely on wind and ambient temperature, which are insufficient given current humidity levels.
Average humidity of 79% over the last 7 days with 100% cloud cover today severely limits evaporative drying from the rock surface.
The exposed hilltop position provides good wind exposure (~15-23 km/h recently) which is the primary drying mechanism for this NW-facing crag.
The forecast shows further rain on Aug 5 (0.3mm), Aug 6 (0.9mm), Aug 7 (0.3mm), and Aug 8 (7.3mm), offering no sustained dry period for recovery.
Recommendations
3
- Do not visit Ravensheugh this week — the forecast offers no viable drying window, and the 45-minute approach makes a wasted trip especially costly.
- Monitor conditions for a sustained 3+ day dry spell with lower humidity before planning a visit; given the NW aspect at altitude, Ravensheugh needs longer drying windows than south-facing Fell Sandstone venues.
- Consider south-facing or lower-altitude Fell Sandstone alternatives (e.g. Kyloe) which will dry faster when a brief window does appear, or switch to non-porous rock types entirely this week.
Climbing Outlook