Dinas Cromlech
Dinas Cromlech or Dinas y Gromlech is a distinctive rhyolite rock outcrop at the Llanberis Pass, in Snowdonia, northwest Wales, which has a distinctive "open book" shape that is clearly visible from the road (A4086), and is very popular location for rock climbers and contains some of Britain's most famous and notable rock climbing routes, several of which are important in the history of rock climbing. == Climbing history == The obvious traditional climbing route up the deep ninety-degree angled corner resisted attempts for many years until it was climbed by Joe Brown in 1952, and called Cenotaph Corner (1952, E1 5c, with Doug Belshaw), and is regarded as one of Britain's most famous rock climbing routes.