Condition Analysis
AI-powered assessment using site data and 14-day weather history
Dow Crag has been battered by persistent wet weather over the past two weeks — 210mm in 28 days with significant rain on April 3–4 (39mm), April 11 (15mm), and April 12 (5mm). Although today shows only trace precipitation, the crag has had virtually no meaningful drying window at 600m altitude, and seepage lines will be running extensively; conditions are unsuitable for climbing.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Dow Crag's extensive seepage lines will be fully charged after 210mm in 28 days — water weeps across many of the main buttresses (especially B and C Buttresses) for days after prolonged wet spells.
- At 600m with a NE/E aspect, the crag is frequently in cloud at this time of year and receives limited direct sun, especially in the afternoon when it falls into shade — drying is extremely slow compared to valley crags.
- The long 60+ minute approach means conditions cannot easily be re-assessed mid-day; committing to the walk-in when conditions are marginal risks a wasted trip or pressure to climb on damp rock.
- Late spring at this altitude means overnight temperatures near or below freezing are still possible — any residual moisture in cracks and on ledges may form verglas in the early morning.
Warnings
3
- Active seepage lines across all buttresses are highly likely given 210mm rainfall in 28 days — wet volcanic rock is extremely slippery and falls on multi-pitch routes here have serious consequences.
- Overnight temperatures near freezing at 600m altitude mean verglas may form on ledges and in cracks, creating hidden hazards even if surfaces appear dry.
- Heavy rain is forecast for April 14–15 (41mm combined) — any marginal improvement today will be reversed immediately.
Reasoning
The rock surface is almost certainly still damp: 4.9mm fell on April 12 with 100% cloud cover most of the day, humidity remained above 80%, and only trace amounts of drying have occurred since — seepage lines will be fully active across all buttresses.
Today's moderate southerly wind (~20 km/h) and slightly lower humidity (82%) offer some surface drying, but this is a single marginal day following weeks of saturation at 600m on an east/NE-facing crag that loses direct sun by early afternoon — wholly insufficient to dry seepage systems.
Borrowdale Volcanic rock is non-porous and does not suffer structural weakening when wet, so hold breakage and rock damage are not concerns here.
Early April at 600m altitude is still firmly in the marginal season — short days, low sun angle, frequent cloud immersion, and overnight temperatures near freezing all conspire to keep the crag damp for extended periods after rain.
Contributing Factors
6
210mm over 28 days with significant rain on April 3–4, 11, and 12 means the mountain is thoroughly saturated and seepage will be extensive.
Only today (April 13) shows near-dry conditions, but a single day with 82% humidity and moderate wind is wholly insufficient to dry a 600m mountain crag after weeks of rain.
At 600m with an E/NE aspect, Dow Crag receives limited afternoon sun and is frequently cloud-capped, dramatically slowing evaporation compared to lower or south-facing venues.
The exposed position and today's 20 km/h southerly breeze will help surface moisture evaporate from the most exposed faces, though this is insufficient to counter the overall saturation.
BVS rhyolite does not absorb water, so surface moisture will clear relatively quickly once seepage stops and conditions improve — no structural damage risk.
16.8mm forecast for April 14 and 24.4mm for April 15 will re-saturate the crag before any meaningful drying can occur.
Recommendations
3
- Do not climb at Dow Crag today — seepage lines will be running after weeks of heavy rain, and friction on wet volcanic rock is dangerously poor on multi-pitch mountain routes.
- Consider lower-altitude, south-facing crags in the Coniston area or elsewhere in the Lakes that will have dried more effectively during today's brief window.
- Monitor the forecast for a sustained dry spell of 2–3 days with low humidity before attempting Dow Crag — the mountain needs significant drying time to clear seepage after this level of saturation.
Previous Analyses
Do Not Climb
90%
2 days ago
Dow Crag is currently wet and unsuitable for climbing. Today has seen 4.2mm of rain with 92% humidity, following a prolonged period of heavy rainfall (225mm in the last 28 days), and the crag has had zero consecutive dry days. At 600m on an E/NE aspect, seepage lines will be running extensively and the rock will be thoroughly wet.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Dow Crag's extensive seepage lines will be active after 225mm of rain in the past month, with water weeping across many routes on all five buttresses.
- The E/NE aspect at 600m means the crag loses direct sun by early afternoon in April, severely limiting drying potential even on clear days.
- The long 60+ minute approach from Coniston means conditions cannot be easily scouted — committing to the walk-in only to find a soaking crag is a significant wasted effort.
- At 600m altitude with temperatures near freezing overnight, any residual moisture on ledges and cracks could form verglas in early morning, creating an additional hazard on multi-pitch routes.
Warnings
3
- The crag is actively wet with extensive seepage; climbing on wet volcanic rock at this altitude on multi-pitch trad routes poses serious fall risk due to friction loss.
- Overnight temperatures near freezing at 600m mean verglas is possible on ledges and in cracks — exercise extreme caution even on the approach.
- The long approach and mountain setting mean conditions can deteriorate rapidly; carry full mountain kit and be prepared for retreat.
Reasoning
The rock is currently wet — 4.2mm fell today, 14.9mm fell yesterday, and there have been zero consecutive dry days, with persistent high humidity (92%) ensuring surface moisture remains.
Despite moderate winds (37 km/h SW), the E/NE aspect and 600m altitude limit effective drying; the crag will have been in cloud for much of the recent wet spell and any drying has been immediately negated by further rainfall.
As non-porous BVS rhyolite, there is no structural risk from moisture — the rock will not weaken — but friction is severely compromised when wet, making multi-pitch trad climbing dangerously slippery.
Early April at 600m is still firmly in the marginal season for high mountain crags; temperatures are barely above freezing overnight, days are short for long multi-pitch routes, and the prolonged winter wet pattern has not yet broken.
Contributing Factors
7
4.2mm today and 14.9mm yesterday mean the rock surface is actively wet with no drying window.
224.6mm over 28 days has saturated the hillside, feeding persistent seepage lines across the crag.
There has been no dry window to allow even surface drying, let alone drainage of seepage systems.
92% humidity today with an average of 82% over the past week means evaporation is extremely slow and the crag is likely in cloud.
Moderate to strong winds (37 km/h) would help dry exposed surfaces, but this effect is negated by ongoing rain and cloud.
The E/NE facing crag receives only morning sun in April and is shaded from early afternoon, severely limiting solar drying at this time of year.
Overnight lows near 0°C at 600m altitude risk verglas formation on wet rock, ledges, and in cracks.
Recommendations
3
- Do not attempt Dow Crag today — the crag is wet and conditions are dangerous for friction-dependent climbing on multi-pitch routes.
- Consider lower-altitude, south-facing alternatives in the Lakes if you need to climb today, though conditions are poor region-wide.
- Monitor the forecast for April 13th — a single dry day with lower humidity could bring some exposed faces into condition, but verify on arrival and be prepared to walk away.
Do Not Climb
92%
3 days ago
Dow Crag is currently receiving significant rainfall today (12.5mm) following an extremely wet period — 218.6mm over the past 28 days with no consecutive dry days. At 600m altitude with an E/NE aspect, the crag will be thoroughly saturated with active seepage lines, making conditions wholly unsuitable for climbing.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Dow Crag's extensive seepage lines will be fully active after 218mm of rain in 28 days, with water running across many routes on all five buttresses.
- At 600m the crag is very likely in cloud today given 86% humidity and active precipitation, meaning surface moisture will not evaporate even on exposed faces.
- The E/NE aspect means the crag loses direct sun by early afternoon, severely limiting any drying potential during the short spring days.
- The 60+ minute approach via Walna Scar road will itself be waterlogged and potentially hazardous, with streams in spate around Goat's Water.
Warnings
3
- Active precipitation and saturated seepage lines make all routes dangerously slippery — risk of serious fall on friction-dependent pitches.
- Near-freezing temperatures at 600m altitude mean ice may be present on ledges and in cracks, creating hidden hazards.
- The approach via Walna Scar road will be boggy with streams in spate; Goat's Water area may have hazardous water crossings.
Reasoning
The rock is actively wet today with 12.5mm of rain falling, and the preceding weeks have delivered relentless rainfall (73mm on March 24th alone, plus repeated multi-day wet spells), meaning every seepage line and drainage channel on the crag will be running.
Despite strong winds (41 km/h today), active precipitation and high humidity (86%) completely negate any drying effect, and the E/NE aspect at 600m receives very limited direct sun in early April.
BVS volcanic rock is non-porous and will not suffer structural damage from saturation, but the surface will be extremely slippery — friction-dependent moves on Dow's slabby sections will be treacherous.
Early April at 600m is still firmly in the 'winter conditions possible' window; temperatures are hovering near freezing overnight with potential for ice on ledges, and the high mountain environment demands particular caution.
Contributing Factors
7
12.5mm of rain today means the crag is currently wet with water running across all faces.
218.6mm over 28 days has thoroughly saturated the mountain, ensuring all seepage lines and drainage features are fully active.
There has been no meaningful dry spell to allow any drying; the crag has had near-continuous moisture input.
At 600m with 86% humidity and active rain, the crag is very likely shrouded in cloud, preventing any solar drying.
41 km/h winds would normally aid drying but are irrelevant while precipitation continues and humidity remains high.
Minimum temperatures near or below freezing (1.8°C valley, likely sub-zero at 600m) mean ice could form on ledges and in cracks overnight.
The east-facing aspect only catches morning sun, which is insufficient for meaningful drying during overcast spring conditions.
Recommendations
3
- Do not attempt Dow Crag today — the crag is actively wet and conditions are dangerous on friction-dependent volcanic rock at altitude.
- Consider lower-altitude, south-facing venues with non-porous rock if conditions improve, but today is best treated as a rest day.
- Monitor the forecast carefully — at least 2–3 consecutive dry days with low humidity would be needed before Dow Crag's seepage lines begin to dry after this prolonged wet spell.
Do Not Climb
85%
4 days ago
Dow Crag is currently wet and unsuitable for climbing. Heavy rainfall over recent weeks (211mm in 28 days), rain yesterday (5.1mm on Apr 9), and light rain today (0.6mm) mean the crag has had zero consecutive dry days, and at 600m with an E/NE aspect, seepage lines will be running extensively.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Dow Crag's extensive seepage lines will be heavily charged after 211mm of rain in the past 28 days, with water weeping across many routes — particularly on the lower buttresses and gully lines between pillars.
- The E/NE aspect means the crag loses direct sun by early afternoon and receives none in winter months; at this time of year morning sun is weak and insufficient to dry saturated rock at altitude.
- At 600m the crag is frequently in cloud during unsettled spells like the current one — cloud contact keeps the rock damp even between rain events and prevents effective drying.
- The long 60+ minute approach means conditions cannot easily be reassessed; committing to the walk-in when the crag is likely wet risks a wasted mountain day in potentially hostile weather.
Warnings
3
- Active seepage lines and wet rock surfaces make multi-pitch climbing extremely hazardous — a slip on wet volcanic rock at Dow Crag could be fatal.
- Overnight freezing temperatures may leave ice on ledges and in cracks; verglas risk is real at 600m in early April.
- The long approach (60+ minutes) and mountain setting mean weather can deteriorate rapidly — full mountain kit and navigation equipment are essential regardless of climbing plans.
Reasoning
The rock surface is almost certainly wet today: 5.1mm fell yesterday, 0.6mm today, and there have been zero consecutive dry days — at 600m with high humidity (80%) the volcanic rock will have standing surface moisture and active seepage.
Despite moderate SW winds (34 km/h) aiding surface evaporation, the E/NE aspect receives limited direct sun in early April and the crag has been subjected to repeated soakings (73mm on Mar 24, 24mm on Apr 3, 16mm on Apr 4) that keep seepage lines flowing for days after rain stops.
Non-porous BVS volcanic rock is not at risk of structural damage from moisture, but friction is drastically reduced on wet rhyolite surfaces, creating a serious fall hazard on the multi-pitch mountain routes Dow is known for.
Early April at 600m is still essentially late winter — temperatures are hovering near freezing overnight (0.7°C min today, sub-zero forecast tomorrow), and freeze-thaw on ledges and cracks is an active concern; ice may be present on sheltered ledges.
Contributing Factors
6
211mm in 28 days with significant events on Mar 24 (73mm), Apr 3 (24mm), and Apr 4 (16mm) have thoroughly saturated the mountain and charged all seepage lines.
Rain fell yesterday (5.1mm) and today (0.6mm), meaning the rock has had no opportunity to begin drying from the latest wetting.
At 600m with 80% humidity and temperatures around 5°C, evaporation rates are very low and the crag is likely in or near cloud.
The east-facing aspect receives only weak morning sun in early April, losing it by early afternoon, which severely limits solar-assisted drying at this time of year.
The exposed position and moderate SW winds (34 km/h) aid surface evaporation, but this is insufficient to overcome the current saturation and ongoing precipitation.
Overnight temperatures near or below freezing (0.7°C today, -0.4°C forecast tomorrow) create ice risk on ledges and in cracks at this altitude.
Recommendations
3
- Do not attempt to climb at Dow Crag today — the rock will be wet and friction dangerously reduced on the multi-pitch routes.
- Consider lower-altitude, south-facing valley crags in the Lakes (e.g. Chapel Head Scar or Scout Scar limestone) which will have dried faster if you need to climb today.
- Monitor conditions from April 14 onwards when a dry spell with warmer temperatures and lower humidity may finally allow the crag to begin drying properly.
Do Not Climb
35%
5 days ago
Dow Crag has received 1.7mm of precipitation today following a very wet recent period (245.6mm in 28 days), and humidity reached 100% overnight with full cloud cover — the crag is very likely in cloud and damp. Although April 7–8 offered a brief dry spell, today's return of moisture combined with the high-altitude, NE-facing aspect and persistent seepage from the preceding weeks makes conditions unsuitable for climbing.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Extensive seepage lines on Dow Crag's buttresses will be running freely after 245.6mm of rain in the past 28 days — even the brief dry window on April 7–8 is insufficient to drain deep seepage at this altitude.
- At 600m with 100% humidity and full cloud cover overnight, the crag is very likely in cloud right now, meaning surfaces will be wet from condensation regardless of direct rainfall.
- The E/NE aspect means the crag loses any direct sun by early afternoon in spring, severely limiting solar drying — and today's westerly winds blow across rather than into the face, reducing wind-drying effectiveness.
- The long 60+ minute approach means conditions can deteriorate significantly during the walk-in; mountain weather at this altitude is markedly different from valley conditions in Coniston.
Warnings
3
- Seepage lines on all five buttresses are likely to be running heavily after the prolonged wet spell — even routes that appear dry on the surface may have wet sections higher up.
- Overnight frost is possible at 600m (min 0.3°C forecast for tomorrow) — check for verglas on ledges and holds, particularly on the shaded NE sections.
- Cloud immersion at crag altitude is likely in current conditions — navigation and exposure risks are significant on the long approach.
Reasoning
The rock is almost certainly wet from a combination of today's 1.7mm precipitation, overnight condensation at 100% humidity, and persistent seepage from the extremely wet preceding weeks (245.6mm in 28 days).
The two fully dry days (April 7–8) with warmer temperatures offered some surface drying, but the E/NE aspect, 600m altitude, and return of moisture today means any drying gains have been reversed by condensation and light rain.
Non-porous BVS rhyolite does not suffer structural damage when wet, so hold breakage is not a concern — the risk is purely friction loss on greasy surfaces.
Early April at 600m is still firmly in the transition season; temperatures are hovering near freezing overnight (min 1.7°C today), cloud is frequent, and drying capacity is limited by low sun angle and short effective drying windows.
Contributing Factors
7
1.7mm of rain today with 94% average humidity and 100% humidity overnight ensures the rock surface is wet.
245.6mm in the past 28 days with 42.6mm in the last 7 days means deep seepage lines on the buttresses will be actively running.
Two fully dry days with temperatures reaching 14°C would have dried exposed surfaces, but this gain is now largely negated by today's moisture.
At 600m the crag is frequently in cloud during high-humidity periods; overnight humidity of 100% with full cloud cover strongly suggests the crag was enveloped in cloud.
The crag only receives direct sun in the morning during spring and is shaded by afternoon, giving limited drying hours even on clear days.
The exposed position with 34.6 km/h westerly winds today provides some drying potential, though westerlies are not ideally directed into the E/NE face.
BVS rhyolite does not absorb water so only surface moisture and seepage need to clear, meaning drying can be rapid once conditions improve.
Recommendations
3
- Do not climb today — the crag is very likely wet from overnight condensation, today's rain, and persistent seepage from the extremely wet recent period.
- Monitor conditions closely for April 10 when humidity drops to 76% with minimal precipitation (0.3mm); an early-morning visit to assess the rock could be worthwhile if cloud lifts.
- Check the MWIS (Mountain Weather Information Service) Lake District forecast before any visit — valley conditions in Coniston bear little resemblance to conditions at 600m on Dow Crag.
Marginal — Assess Conditions
55%
6 days ago
After a very wet late March and early April, Dow Crag has had roughly 36 hours of good drying conditions (April 6–7) with warm temperatures, low humidity, and moderate wind. However, today (April 8) shows 0.3mm precipitation and rising humidity to 84%, and the preceding weeks deposited enormous amounts of rain (255mm in 28 days) meaning seepage lines are very likely still active at this high mountain crag.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Dow Crag's extensive seepage lines between the buttresses will almost certainly still be running after 255mm of rain in the past 28 days, even though the rock surface itself may have dried.
- The east/northeast aspect means the crag catches morning sun but loses it by early afternoon — any remaining damp patches in shaded gullies and on north-facing sections of buttresses will be slow to dry.
- At 600m altitude, today's valley temperature of 13°C translates to roughly 9–10°C at the crag, and rising humidity (84%) with possible cloud immersion could re-wet surfaces even without rain.
- The long approach (60+ minutes) means conditions can deteriorate significantly between setting off and arriving at the crag — check the mountain forecast carefully and be prepared to turn back.
Warnings
3
- Cloud immersion at 600m is likely today given 84% humidity and SW airflow — surfaces can become greasy from condensation even without rain.
- Rain returns tomorrow and persists through the coming week; this is likely the only viable window and it is marginal at best.
- Multi-pitch retreat from upper pitches on wet rock is serious — do not commit to long routes unless you are confident conditions are dry throughout.
Reasoning
Surface rock on the main buttress faces likely dried during the excellent conditions on April 7 (0mm rain, 56% humidity, 14°C, moderate SE wind), but deep seepage from weeks of heavy rain will still be feeding wet streaks and drainage lines across the crag.
Approximately 36 hours of effective drying since the last significant rain on April 5 (1.5mm), aided by warm temperatures and the SE wind on April 7, but the east/NE aspect limits afternoon sun and the high altitude slows evaporation — this is marginal drying time for a mountain crag after such a prolonged wet spell.
Borrowdale Volcanic rock is non-porous and does not suffer structural weakening when wet, so hold breakage is not a concern; the risk is purely friction-related.
Early April at 600m is still a marginal season — temperatures can drop below freezing overnight (min -0.1°C on April 6), daylight hours are limited for long multi-pitch routes, and unsettled weather is the norm.
Contributing Factors
6
255mm of rain in 28 days and 47mm in the last 7 days have saturated the ground and will keep seepage lines active across the buttresses.
Two days of near-zero precipitation with warm temperatures (up to 14°C), low humidity (56%), and moderate wind provided meaningful surface drying.
Today's 84% humidity, 0.3mm precipitation, and SW wind suggest conditions are deteriorating and cloud may be sitting on the crag.
At 600m, temperatures are 3-4°C lower than valley readings, cloud immersion is common, and drying rates are significantly slower than at lower crags.
The exposed position allows wind to strip surface moisture efficiently when the crag is clear of cloud, and moderate winds have been consistent.
BVS rhyolite does not absorb water so surface drying is relatively quick once rain stops, though friction is severely compromised when any surface moisture remains.
Recommendations
3
- If you go, arrive early to catch morning sun on the east-facing buttresses and be prepared to retreat if seepage or damp patches are found — test friction on lower holds before committing to routes.
- Avoid routes with known seepage lines (particularly the gullies between buttresses and lower sections of B and C Buttresses) and favour the more exposed upper pitches of A Buttress which dry quickest.
- Consider waiting for the next settled spell — the forecast shows rain returning tomorrow (4.4mm) and throughout the coming week, so today may be the best window but conditions are far from ideal.
Marginal — Assess Conditions
50%
8 days ago
After a very wet period (285mm in 28 days), Dow Crag has had only one full dry day with today also dry. Surface rock on exposed faces may be drying in the moderate southerly wind, but extensive seepage lines are almost certain given the saturated ground, and the crag's NE/E aspect limits solar drying. Conditions are marginal — visual assessment on arrival is essential.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Dow Crag's extensive seepage lines will be active after 285mm of rain in the past month; routes in the gullies and on the lower buttresses (especially C and D Buttress recesses) will likely be streaming.
- The east/NE aspect means the crag catches only morning sun — by early afternoon it is in shade, so any drying today will slow markedly after midday.
- At 600m the crag may have been in cloud for much of the recent wet spell (100% cloud cover recorded for long periods); condensation and mist can keep surfaces damp even without rain.
- The long 60+ minute approach means conditions can change significantly between the valley and the crag — valley dryness is not a reliable indicator of crag conditions at this altitude in early April.
Warnings
2
- Overnight frost is still occurring at 600m — ice may persist on ledges and in gullies, particularly on the shaded NE-facing sections; crampon-worthy conditions are possible on the approach.
- The long mountain approach and rapidly changing conditions at this altitude in early April mean you should carry full mountain kit including waterproofs, warm layers, and a headtorch regardless of valley weather.
Reasoning
With 54mm in the last 7 days, 23.6mm on April 3rd, 15.7mm on April 4th, and only one dry day since, the rock surface is likely still damp in sheltered areas and seepage zones, though exposed wind-scoured faces may be approaching dryness.
One dry day with moderate wind (~24 km/h southerly) and dropping humidity (80%) provides some drying on the exposed east-facing rock, but the NE aspect and high altitude severely limit solar contribution, and the ground behind the crag remains thoroughly saturated.
Borrowdale Volcanic rhyolite is non-porous and does not suffer structural weakening when wet — there is no hold-breakage or rock-damage concern from climbing on damp rock here.
Early April at 600m is still firmly in the marginal season — overnight frost is occurring (min 1.2°C today, sub-zero recently), daylight hours are limited, and the crag can be in cloud at short notice; winter conditions can still prevail at this altitude.
Contributing Factors
7
285mm over 28 days with significant rain on April 3-4 (39mm combined) means the hillside is thoroughly saturated and seepage will be extensive.
Only one confirmed dry day (today making two) is insufficient to clear seepage lines on a high mountain crag after such prolonged wet weather.
Zero precipitation today with 24 km/h southerly wind and 80% humidity will help dry exposed rock surfaces, though not seepage zones.
BVS rhyolite does not absorb water, so exposed surfaces dry relatively quickly once rain stops and wind assists evaporation.
The north-east and east facing aspect receives limited solar radiation, especially in early April, significantly slowing drying compared to south-facing crags.
At 600m the crag is frequently in cloud — recent humidity averaging 91% suggests the crag has been shrouded for much of the week, depositing condensation on rock surfaces.
Tomorrow forecasts 0mm rain, 14.9°C max, 67% humidity with 32 km/h SE wind — excellent drying conditions that would significantly improve the picture.
Recommendations
3
- If visiting today, be prepared to walk away — carry a guidebook for a lower valley crag (e.g. Wallowbarrow or Tilberthwaite) as a backup.
- Target the more exposed upper sections of A Buttress and B Buttress which catch wind and morning sun; avoid gullies, recesses, and the lower sections of C and D Buttress where seepage concentrates.
- Tomorrow (April 7th) looks significantly more promising with warm dry conditions forecast — waiting one day substantially improves the odds of finding good friction on the rock.
Do Not Climb
90%
9 days ago
Dow Crag is currently wet and unsuitable for climbing. Nearly 290mm of rain has fallen in the past 28 days with significant precipitation as recently as yesterday (23.6mm on April 3rd, 15.7mm on April 4th), and today has seen a further 2.9mm with near-freezing temperatures — the crag will be saturated with active seepage lines and residual surface moisture, making the volcanic rock dangerously slippery.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Dow Crag's extensive seepage lines will be running heavily after 288.7mm of rain in the past month, with water tracking across faces and pooling on ledges for days after such prolonged saturation.
- The E/NE aspect means the crag loses direct sun by early afternoon, severely limiting solar drying — at 600m altitude with sub-zero overnight lows, any residual moisture may refreeze as verglas on ledges and in cracks.
- The long 60+ minute approach from Coniston means conditions cannot easily be scouted and retreated from — committing to the walk-in during marginal weather risks wasted effort or pressure to climb on damp rock.
- At 600m with 86% humidity and temperatures barely above freezing today, the crag is very likely in cloud or mist, further preventing any meaningful drying.
Warnings
3
- Verglas risk: overnight lows below 0°C combined with wet rock mean ice may form on ledges, in cracks, and across slabs — this is extremely dangerous on multi-pitch routes.
- The crag is very likely in cloud today with near-zero visibility possible; combined with strong winds and wet rock, this creates serious mountaineering hazards beyond just climbing conditions.
- Seepage lines after 289mm of monthly rainfall will make many routes unclimbable regardless of surface drying — water may be running across faces for days yet.
Reasoning
The rock is almost certainly wet — 57.3mm in the last 7 days alone, with 23.6mm and 15.7mm falling on the two days prior and 2.9mm today, combined with 93% average humidity and near-freezing temperatures that prevent evaporation.
Despite strong westerly winds (59 km/h today), the E/NE aspect is sheltered from the prevailing wind direction, and with humidity at 86% and temperatures around 2.6°C, evaporative drying will be negligible — the crag has had zero consecutive dry days.
BVS volcanic rock does not suffer structural damage when wet, but with overnight lows dropping to -0.2°C, freeze-thaw cycling could loosen surface material on ledges and in cracks.
Early April at 600m altitude is still firmly in winter conditions — sub-zero overnight temperatures, frequent cloud immersion, and the prolonged wet March pattern mean the crag is in its most saturated state of the year.
Contributing Factors
6
288.7mm in 28 days and 57.3mm in the last 7 days represent an exceptionally wet period, saturating the mountain and feeding persistent seepage lines across all buttresses.
There have been no consecutive dry days leading into today, with 2.9mm recorded today itself, meaning the rock has had no meaningful drying window.
Max 2.6°C and min -0.2°C today at 600m means negligible evaporation and potential verglas formation on the rock overnight.
Average humidity of 93% over the past week with 86% today prevents effective drying and suggests the crag is frequently immersed in cloud.
Winds are strong at 59 km/h today from the west, but the E/NE-facing crag is partially sheltered from westerlies, and high humidity negates much of the wind's drying benefit.
BVS volcanic rock does not absorb water so will not suffer structural damage, and surface moisture can dry relatively quickly once a genuine dry spell arrives.
Recommendations
3
- Do not attempt Dow Crag today — the crag will be wet, seepage-streaked, and potentially icy; consider lower-altitude sheltered crags if conditions permit.
- Monitor the dry spell forecast for April 6–7; these two days may offer an improving window but verify conditions on arrival given the extreme saturation.
- Check the MWIS (Mountain Weather Information Service) forecast for the Coniston Fells before any visit — valley weather is not representative of conditions at 600m.
Do Not Climb
90%
10 days ago
Dow Crag is currently receiving rain today (9.8mm) following an extremely wet period — nearly 280mm in the last 28 days and 60mm in the last 7 days alone. At 600m with a north-east aspect, persistent high humidity (94% average), and near-freezing overnight temperatures, the crag will be thoroughly wet with active seepage lines and zero reliable drying.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Dow Crag's extensive seepage lines will be running heavily after 280mm of rain in the past month, and these can take many days to clear even after the surface rock dries.
- The E/NE aspect loses direct sun by early afternoon, severely limiting solar drying — especially problematic in early April when sun angle is still low.
- At 600m the crag will frequently be in cloud in current conditions (94% humidity, SW winds), meaning mist and condensation will re-wet surfaces even between rain events.
- The long 60+ minute approach means committing to a visit only to find wet rock is a significant waste of effort — conditions should be verified via mountain weather forecasts before setting out.
Warnings
3
- Active precipitation and saturated rock at 600m altitude — climbing today risks serious injury from friction loss on wet volcanic rock.
- Near-freezing overnight temperatures mean verglas (thin ice) is possible on ledges and cracks, particularly on shaded sections of the NE-facing buttresses.
- The long approach over exposed terrain in strong SW winds (64 km/h) and rain presents its own serious hazard independent of climbing conditions.
Reasoning
The rock is actively wet today with 9.8mm of rain falling, on top of a prolonged saturated period (280mm in 28 days, 94% average humidity), meaning every surface and seepage line will be running.
Despite strong winds (64 km/h today), the combination of active precipitation, near-saturation humidity, and the shaded NE aspect at 600m altitude means no meaningful drying has occurred or will occur today.
Rhyolite/BVS rock does not suffer structural damage when wet, but the extensive seepage and surface water create extreme friction loss making climbing dangerous.
Early April at 600m is still firmly in the winter-like conditions window — overnight temperatures near or below freezing, short effective drying hours, and the crag is frequently in cloud.
Contributing Factors
6
9.8mm of precipitation today means the crag is currently wet with no drying opportunity.
280mm in 28 days and 60mm in the last 7 days have thoroughly saturated the ground and activated all seepage lines.
94% average humidity over the past week prevents effective evaporation and keeps surfaces damp even between rain events.
Average temperature of 4.2°C with overnight lows near or below freezing limits drying capacity and may leave ice on ledges.
Very strong winds (64 km/h today) would normally aid drying, but are ineffective when rain is actively falling and humidity is near saturation.
The E/NE facing aspect receives only morning sun in early April, providing minimal solar heating to drive evaporation.
Recommendations
3
- Do not visit Dow Crag today — active rain and saturated conditions make the rock dangerously slippery on all buttresses.
- Monitor the promising dry window forecast for April 6–8; if it materialises, the crag may begin to come into condition by April 7 but seepage lines will likely persist.
- Check MWIS (Mountain Weather Information Service) for the Lake District fells before any visit — valley forecasts significantly understate conditions at 600m.
Do Not Climb
92%
11 days ago
Dow Crag is currently receiving heavy rain (21.7mm today) on top of an extremely wet month (274mm in 28 days), with high humidity and near-freezing temperatures at altitude. The crag will be thoroughly soaked with active seepage lines, making conditions completely unsuitable for climbing.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- Dow Crag's extensive seepage lines will be running heavily after 274mm of rain in the past 28 days, and these can take many days to clear on this high mountain crag even after the main face dries.
- The east/northeast-facing aspect receives only morning sun and is shaded by afternoon, significantly slowing drying at this time of year when the sun angle is still relatively low.
- At 600m altitude the crag is frequently in cloud — with humidity at 97% today and 90%+ averaged over the past week, the rock is unlikely to have had any meaningful drying window.
- The long approach (60+ minutes) via Walna Scar road means conditions cannot be quickly assessed — committing to the walk-in during today's weather would be miserable and futile.
Warnings
3
- Active heavy rain and streaming water on the crag create severe slip and fall risk on this multi-pitch mountain venue.
- Near-freezing overnight temperatures at 600m may leave ice on ledges and in cracks — do not assume bare rock conditions.
- The long approach in current weather is itself a serious undertaking — navigation in cloud and wind at altitude requires full mountain equipment.
Reasoning
The rock is currently saturated with active precipitation (21.7mm today), following 49.4mm in the past 7 days and a staggering 274mm over 28 days, with zero consecutive dry days and humidity at 97%.
Despite being an exposed and windy position, there has been no meaningful drying window — the last significant dry spell (March 18–22) was obliterated by 73.3mm on March 24 and continued wet weather since, so seepage lines will be fully charged.
Borrowdale Volcanic rock does not suffer structural damage from moisture, but freeze-thaw at altitude with min temps near or below 0°C could affect loose blocks and icy ledges.
Early April at 600m altitude is still effectively late winter — short days, low sun angle on the NE aspect, persistent cold and damp conditions, and potential for ice on ledges all make this a very marginal time for a high mountain crag.
Contributing Factors
7
21.7mm of precipitation today with 97% humidity means the crag is actively wet with streaming water.
274mm of rain over 28 days has thoroughly saturated the ground above the crag, ensuring seepage lines are fully active and will persist for days.
Zero consecutive dry days means the rock has had no opportunity to shed surface moisture, let alone allow seepage to diminish.
Average humidity of 94% over the past week prevents evaporative drying even on exposed faces.
Temperatures near or below freezing at night (0.9°C min today, -1.0°C on April 2) mean potential ice on ledges and very slow drying.
37 km/h winds would aid drying on an exposed crag, but this benefit is entirely negated by active rain and near-100% humidity.
The east/northeast aspect only receives low-angle morning sun in early April, providing minimal warming and drying potential.
Recommendations
3
- Do not attempt Dow Crag today — the crag is actively wet and conditions are dangerous due to friction loss on volcanic rock.
- Wait for at least 2–3 consecutive dry days with lower humidity before considering a visit; monitor seepage lines carefully even after surface drying.
- Check the MWIS (Mountain Weather Information Service) for Lake District fells before any planned visit — valley forecasts significantly underestimate conditions at 600m.
Climbing Outlook