After three fully dry days (Aug 11–13) with warm temperatures and moderate wind, the rhyolite at Caseg Fraith should be largely dry on exposed surfaces. However, today's 0.1mm precipitation and elevated humidity (87%) introduce slight uncertainty, and the forecast shows persistent light drizzle over the next few days before heavier rain arrives on Aug 18.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
How accurate is this verdict?
Climbing Outlook
Site Details
A bouldering paradise in the Ogwen Valley near Tryfan with igneous rock renowned for its unusual grit-like texture — rough, positive holds despite being volcanic in origin. Excellent friction in dry conditions. Roadside access near the A5. Can be very exposed and windy on the high pass.
- Rock Type
- Rhyolite
- Wind Exposure
- Exposed
- Altitude
- 350m
- Climbing
- Bouldering
- Aspects
- W NW
- Problems
- 120
- Boulder Grades
- V0 – V10
- Access
- CRoW Open Access
- Approach
- 5 min
Site Data
- Name
- Caseg Fraith
- County
- North Wales
- Rock Type
- Rhyolite
- Climbing Types
- Bouldering
- Aspects
- W, NW
- Wind Exposure
- Exposed
- Altitude
- 350m
- Latitude
- 53.1217
- Longitude
- -3.9681
- OS Grid Ref
- —
- Access Type
- CRoW Open Access
- Approach Time
- 5 min
- Problem Count
- 120
- Route Count
- —
- Boulder Grades
- V0 – V10
- Trad Grades
- —
- Tidal
- No
- Parking Notes
- Roadside near the A5 in the Ogwen Valley.
- Condition Notes
- —
- ID
- 173ee326-d0e1-4c9a-822e-2fbc9d9670b4
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