Twll Mawr, Dinorwig, Wales
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The immense Twll Mawr quarry above Llanberis in Wales.
Related news
12/05/2014 - Climbing
Twll Mawr and the longest sport climb in the UK Ian Lloyd-Jones and his son Celt Lloyd-Jones have established The Desolation of Smaug, the longest sport climb in the United Kingdom.