Skip to Content

Cyrn Las (OS)

RSS FeedClick on "Routes" to subscribe to a RSS feed of all new routes added to this category. Click on "Ascents" for a RSS feed of all new ascents recorded in this category. Routes | Ascents

Climbing Sections:

About Cyrn Las (OS):

This is a fantastic high mountain crag! Nearly 40 routes of absolute quality and distinction make this a must on any cragger or mountaineer's list. Nearly all of the 400 foot long routes are classics on this northeast facing crag, situated at over 2,000 feet. Can get a bit chilly at times, but there is no better place on a hot summer's day.
Nearest town or city: Llanberis
Directions: OS 115 GR SH 614 561 Alt. 590m Four miles southeast of Llanberis. Park at the Cromlech Boulders in Llanberis Pass. From here, go south up to the lake Llyn Glas, then head up and to the right to the big cliff, which is sort of dome like in appearance.
Latitude, Longitude: 53.08381, -4.06957
Access Issues:
When to Climb:
Quantity of Climbs: Year