Clogwyn Du'r Arddu

Clogwyn Du'r Arddu
Clogwyn Du'r Arddu, showing the East Buttress (centre), The Pinnacle (triangle on top left of East Buttress), West Buttress (diagonal-striped face right of East Buttress), and Far West Buttress (opposite diagonal-striped right of West Buttress)
Location of Clogwyn Du'r Arddu
Location	Snowdonia, Wales
Nearest city	Llanberis
Range	Snowdon Massif
Coordinates	53°04′45″N 4°05′38″W / 53.0792°N 4.0939°W / 53.0792; -4.0939
Climbing type	Traditional climbing
Height	up to 300 metres (980 ft)[1]
Pitches	mostly multi-pitch
Ratings	rock grades of Diff to E9; winter grade of II to VIII[1]
Rock type	Rhyolite[1]
Quantity of rock	+215 routes[1]
Cliff aspect	North
Elevation	707 metres (2,320 ft) a.s.l.[1]
Classic climbs	Indian Face (E9 6c), Womb Bits (E5 6c), Great Wall (E4 6a), The Axe (E4 6a), White Slab (E2 5c), Shrike (E2 5c), Llitrig (E1 5c), Great-Bow (HVS 5a) Great Slab (VS 4c)[1]

Clogwyn Du'r Arddu (Welsh pronunciation: [ˈklɔɡwɨ̞n ˈdɨːr ˈarðɨ̞], translates as the "black cliff of the black height"),^[2] is a north-facing rhyolite set of cliffs located on the northern flank of Snowdon mountain. Clogwyn Du'r Arddu is considered to be one of the best traditional climbing areas in Britain,^[1][2] and has been called "The shrine of British climbing",^[3] and a "crucible for the development of most of the finest climbers in Britain and the scene of many of their finest achievements".^[2]