Climbing Forecast › Lake District — Thirlmere › Castle Rock of Triermain

LAKE DISTRICT — THIRLMERE · RHYOLITE

Castle Rock of Triermain climbing conditions

Good — dry and climbable

Right now

Temp15°C
Wind11.9 km/h
Gusts15 km/h
Humidity92.74%
Rain 48h0mm
Last rainNone recent

Assessment

No recent rain
Humidity 92.74% — potential fog/cloud, rock may be damp from condensation
loose_rock

7-day forecast

Scroll through each day — hourly detail is shown inline.

Today Friday 14 August
Good
Temp18°C
Rain0mm
Wind22 km/h
Gusts34 km/h
Humidity82%
No recent rain
  • Breezy — helps drying
Time °C Rain Wind Gust Hum
06:00 15° 0mm 12 15 92.74%
09:00 17° 0mm 16 23 85.07%
12:00 18° 0mm 21 29 89.63%
15:00 18° 0mm 23 34 74.17%
18:00 16° 0mm 23 36 74.77%
21:00 14° 0mm 17 26 82.52%
Sat Saturday 15 August
Poor
Temp13°C
Rain0.3mm
Wind18 km/h
Gusts29 km/h
Humidity64%
0.3mm rain forecast
  • Good temperature for mountain rhyolite
Time °C Rain Wind Gust Hum
06:00 11° 0.23mm 15 23 92.16%
09:00 12° 0.08mm 18 28 80.71%
12:00 13° 0mm 18 28 64.2%
15:00 14° 0mm 18 29 64.41%
18:00 13° 0mm 17 27 72.43%
21:00 12° 0mm 14 23 82.66%
Sun Sunday 16 August
Good
Temp13°C
Rain0mm
Wind11 km/h
Gusts23 km/h
Humidity73%
Should be dry
  • Good temperature for mountain rhyolite
Time °C Rain Wind Gust Hum
06:00 9° 0mm 7 13 92.33%
09:00 11° 0mm 10 22 79.75%
12:00 13° 0mm 11 23 72.49%
15:00 13° 0mm 12 23 74.03%
18:00 13° 0mm 10 20 80.96%
21:00 11° 0mm 7 12 94.36%
Mon Monday 17 August
Poor
Temp14°C
Rain4.5mm
Wind16 km/h
Gusts32 km/h
Humidity88%
4.5mm rain forecast
  • Good temperature for mountain rhyolite
  • Wet rhyolite is slippery; seepage from grass above can linger
Time °C Rain Wind Gust Hum
06:00 11° 0.29mm 8 14 96.86%
09:00 12° 0.55mm 12 22 91.7%
12:00 14° 0.6mm 15 29 88.24%
15:00 15° 0.74mm 17 32 88.09%
18:00 14° 1.12mm 17 30 91.66%
21:00 13° 1.19mm 17 29 96.16%
Tue Tuesday 18 August
Poor
Temp14°C
Rain8.8mm
Wind24 km/h
Gusts46 km/h
Humidity87%
8.8mm rain forecastWindy — 24 km/h, gusts 46 km/h
  • Good temperature for mountain rhyolite
  • Wet rhyolite is slippery; seepage from grass above can linger
  • Breezy — helps drying
Time °C Rain Wind Gust Hum
06:00 13° 1.65mm 22 39 96.16%
09:00 13° 1.12mm 22 41 93.81%
12:00 14° 0.92mm 24 45 88.52%
15:00 14° 0.84mm 25 46 85.55%
18:00 14° 0.72mm 22 39 88.92%
21:00 12° 0mm 20 34 93.51%
Wed Wednesday 19 August
Poor
Temp13°C
Rain4.2mm
Wind25 km/h
Gusts46 km/h
Humidity79%
4.2mm rain forecastWindy — 25 km/h, gusts 46 km/h
  • Good temperature for mountain rhyolite
  • Wet rhyolite is slippery; seepage from grass above can linger
  • Breezy — helps drying
Time °C Rain Wind Gust Hum
06:00 10° 0.48mm 19 34 94.72%
09:00 11° 0.64mm 22 41 87.06%
12:00 12° 0.92mm 25 46 79.76%
15:00 13° 0.55mm 25 46 78.64%
18:00 12° 0.36mm 21 38 81.82%
21:00 11° 0.35mm 17 29 91.71%
Thu Thursday 20 August
Poor
Temp12°C
Rain2mm
Wind19 km/h
Gusts37 km/h
Humidity76%
2mm rain forecast
  • Good temperature for mountain rhyolite
  • Wet rhyolite is slippery; seepage from grass above can linger
Time °C Rain Wind Gust Hum
06:00 9° 0mm 13 23 96.24%
09:00 10° 0.5mm 18 34 86.57%
12:00 12° 0.49mm 19 37 76.98%
15:00 13° 0mm 19 36 75.07%
18:00 12° 0mm 17 31 79.74%
21:00 11° 0mm 14 23 91.08%
Fri Friday 21 August
Good
Temp8°C
Rain0mm
Wind12 km/h
Gusts—
Humidity—
Should be dry
  • Good temperature for mountain rhyolite
Castle Rock of Triermain is a famous, historically significant rock bastion standing above St. John's in the Vale, composed of fine volcanic rock. The remaining intact sectors face north and west, receiving limited direct sunshine and requiring breeze to thoroughly dry wet crack lines. The crag features outstanding multi-pitch trad routes from Severe to top-tier E-grades, renowned for steepness and exceptional hold quality. Historic testpieces like Overhanging Wall showcase sustained wall movement on solid, steep rock. The approach takes roughly fifteen minutes up a steady hillside path from the valley laybys. A catastrophic major rockfall destroyed the iconic South Company face, so staying strictly on established routes on the North Top is paramount for safety.

About Castle Rock of Triermain

Castle Rock of Triermain is a famous, historically significant rock bastion standing above St. John's in the Vale, composed of fine volcanic rock. The remaining intact sectors face north and west, receiving limited direct sunshine and requiring breeze to thoroughly dry wet crack lines. The crag features outstanding multi-pitch trad routes from Severe to top-tier E-grades, renowned for steepness and exceptional hold quality. Historic testpieces like Overhanging Wall showcase sustained wall movement on solid, steep rock. The approach takes roughly fifteen minutes up a steady hillside path from the valley laybys. A catastrophic major rockfall destroyed the iconic South Company face, so staying strictly on established routes on the North Top is paramount for safety.

Region
Lake District — Thirlmere
Rock type
rhyolite
Aspect
north-facing
Altitude
280m
Exposure
medium
Seepage
medium

Other crags in this region

FishercragRaven Crag (Thirlmere)Raven Crag (Thirlmere)Bramcrag QuarryCastle Rock of Triermain