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Craig y Castell

Snowdonia

Superb classics on good rock overlooking Tremadog.

Crag information
Climbing Area: Wales Rock Type: Igneous
Importance: National CRoW Land: No
Ownership: Estate No. of Routes: 57
Within National Park: Yes Year Developed: 1955
Grid Reference: SH 55855 40358

A great traditional crag with some extremely popular routes such as Creagh Dhu Wall, Tensor and Pellagra.

From March to July there has been Owls and Jackdaws spotted nesting on some of the routes, please check your routes before setting of. 

Restrictions apply from 1 March - 31 July.

Reason: Nesting Birds

Tawny owls nest on the first pitch of Creagh Dhu Wall (shared with One step in the Crowds). It's also worth noting that Tawny owls can be exceptionally aggressive in defending their nests and there are known cases of serious eye injuries caused to people who venture too close to Tawny owl nests!

 April 2024 - Jackdaws nesting on the first pitch of Mensor, please avoid this area until they have left. 

Area information

A wide range of cliffs - mainly traditional and multi pitch inc. the popular Llanberis Pass, Idwal Slabs, Clogwyn du'r Arddu and Cwm Silyn cliffs, but also outlying outcrops such as Carreg Alltrem. Many crags are on CROW access land - but not all especially some of the outcrops which lie on private enclosed land. Most of central Snowdonia is both designated an SSSI and also is an European Special Area of Conservation on account of the upland habitat and associated geology and plants found here.

Weather Information

Guidebook info currently being updated

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Anonymous User
29/03/2019
There is an owl nesting on the first pitch of Creag Dhu Wall.
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Anonymous User
31/03/2019
Appears to be an owl fledging 3 chicks in lower corner of one step in the crowds and creag dhu wall, 31 March 2019
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Anonymous User
11/05/2023
11/05/23 Jackdaws repoerted nesting on pitch 1 of Creag Dubh Wall and on Mensor. Gwyn Jones
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    Craig y Castell

    Snowdonia