Opening gambit | HVS Trad climb at Twll Mawr

United Kingdom / Wales / Caernarfon

One of the first routes on slate, up the huge tottering back wall of Twll Mawr, the climb has been substantially altered by rockfall since Joe Brown’s first ascent and is now graded XS. An adventure strictly for connoisseurs.

Contributors
TdG
24 contributions since 19th July 2026.

Pics + Vids

No pics or vids yet.


Ascents

1 successful ascent recorded.

Climber Style Ascent Date Suggested Grade

A typically adventurous contribution into the unexplored territory in Joe’s back yard, he graded the climb HVS 4c.