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These details were last updated on 29/Sep/2014

Craig Yr Ogof (Cwm Silyn)

Gwynedd, WALES

Climbs 47 – Rocktype Rhyolite – Altitude 550m a.s.l – Faces NW

Crag features
The best crag in this area, with a mountain feel. All multi-pitch routes up to 400ft. There is also an E4, for those interested. Notable for Outside Edge (VDiff), Kirkus's Climb/Route (VS) and Jabberwocky (E2 5c).

Good slabby wall on the right with a steep wall of corners and overhangs and the left with some classic HVS to E2s on it [NWDave 1/05]

Rockfall Warning at the top of Ordinary Route / Outside Edge Route. See BMC website https://www.thebmc.co.uk/cwm-silyn-rockfall-warning for more details. [Sept 14]

Access notes
From Nantlle on the Rhyd Ddu to Penygroes road (B4418). Continue west and turn left after about 2K on the Llanllyfni road. Turn left again after 1.5K and follow this single track road for another 2K to a gate and park. Walk along the track for 45 min past a lake and a big boulder up a steep hill and you're there.

Weather forecast

 Today  Thu  Fri  Sat  Sun 

2.2mm rain
Cloudy
17 °C
24 kph

1.7mm rain
Cloudy
11 °C
21 kph

0.0mm rain
Sun
16 °C
22 kph

14.3mm rain
Mainly cloudy
15 °C
44 kph

26.1mm rain
Sun
14 °C
26 kph
Forecast for this crag or UK Weather forecast. Powered by World Weather Online
More: mwis: Snowdonia

Guidebooks
North Wales Climbs (2013), North Wales Classics (2010), North Wales Rock (2006), Cwm Silyn and Cwellyn (2003), Tremadog and Cwm Silyn (1989) (1989)

Climbs at this crag

Sort climbs Add missing Climb Upload a file of missing climbs
 Climb nameGradex
1Central route (Not Central variation)S ? 1
2Mask of DeathIV 5 ***2
3Bedrock GullyIV 5 **3
 EASTERN SECTION  
5Sunset RibD *3
6Black GullyVD  
7Nirvana WallS 1
8Green GullyHVS 5a  
9Artist's ClimbD 2
 OGOF NOSE - NORTH FACE  
11Jones's TraverseVS 4c  
12BrutusE2 5c * 
13Ogof DirectE1 5c *4
14Oblique RouteS  
15DesifinadoHVS 5a * 
 OGOF NOSE - WEST WALL  
17EurekaE1 5b  
18BandersnatchE3 5c  
19CodswallopE2 5b *1
20CrucibleHVS 5b ***58
21JabberwockyE2 5c *34
22Bourdillon's ClimbE4 6a  
23PenatesHVS 5a 4
24The Ogof TraverseHVS 5a * 
 THE GREAT SLAB  
26Outside Edge RouteVD ***328
27Ordinary RouteD **109
 Climb nameGradex
28Direct RouteVD 12
29Central VariantHVS 5a 6
30Kirkus's RouteVS 4c **225
31Kirkus's DirectHVS 5a 67
 UPPER SLAB AND SOUTH - WEST BUTTRESS  
33AquariusVS 5a 1
34Aquarian WallV  
35Kangies CrawlVS  
36Upper Slab ClimbS *5
37White SnakeV  
38West AreteVS 4c  
39Rib and TowerD  
40Amphitheatre GullyI 3
 AMPHITHEATRE BUTTRESS  
42Original RouteD 4
43GotogoVS 4b  
44JerichoD  
45Tower of StrengthS 1
46AfterthoughtS  
47The Great Stone ShootI 4
48The Widow Of The WebIV **3
49Little KitchenII/III 2
50Frozen in Time *VIII 7 ***2
51Colin's Gulley *V 5 ***4
52Pillars of Silyn *VI 6 ***2
53Carla *V 5 **1
* Climbs listed in red are waiting to be checked by a crag moderator, and may not be accurate.
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