Climbs 50
Rocktype Rhyolite
Altitude 181m a.s.l
Faces SW

Sunset from above Craig Ddu, Llanberis Pass © mr mills

Crag features

Black rock which often looks wet (and can be slow to dry out). Steep, despite appearances. A serious cliff though the rock is fine. Multi-pitch routes up to 230ft, notably Zig-Zag (VS 4b), Black Wall (E1 5c) and Yellow Wall (E2 5b). Also a huge HS traverse, The Black Belt.

Approach notes

Given its position just above Beudy-Mawr near the bottom of the Llanberis Pass, car parking may be hard. Slog up from the road.

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Available in the Rockfax App

The Rockfax App brings together all the Rockfax climbing information with UKC logbooks and presents it into a user-friendly package for use on Apple iOS devices (Android version to follow).


North Wales Climbs

North Wales Climbs covers the best climbing from the whole of this huge and varied area. The book is modelled on the very popular West Country Climbs which set a new standard for selected climb guidebooks back in 2010. It contains all the routes from the 2010 publication North Wales Classics and many more routes and areas, with expanded descriptions and much bigger photo-topos. The book covers all the major mountain crags from Llanberis Pass, to Cloggy; and from Ogwen to the Carneddau. It also includes the Llanberis Slate quarries, Tremadog, the Moelwyns, the Gwynant Valley, Mid-Wales, Gogarth and the North Coast Limestone.
More info

North Wales Classics

A significant addition to the Rockfax stable; North Wales Classics is a pocket-sized guide packs in hundreds of superb routes throughout the mountains of Snowdonia. From Tremadog to Tryfan, and everywhere in between, the book covers mid-grade routes on the best crags and features top-notch photo-topos and inspirational action shots taking you where you want to go.
More info
More Guidebooks:
Llanberis (2009)
North Wales Rock (2006)

Out of print:
1300 m above sea level seems quite high.
Deek - 04/Mar/04
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Climbs at this crag

Climb name Grade
 mabinogion area 
2Crankshaft(not actually the name)HVS 5b 2
3Telegram SamE1 6a 4
4mabinogionE2 5c **155
5stumpy the dragonslayer
E2 5c 14
6Health and Efficiency
E2 6a 3
 the main cliff 
 Zig Zag 
9Short tree Chimney
S **19
10Short tree chimney with pitch2 variationVS 1
11Sea PantherE1 5a **104
12AgapanthusE1 5b 6
13Crown of ThornsS 4a *152
HVS 5a 8
15Zig ZagVS 4b *160
16CanolE1 5b **135
17JupiterE3 5b *1
18A Whiter Shade of PaleE2 5c **4
 Yellow Groove 
20Black WallE2 5c **11
E1 5b 5
22Garlic groove
S 3c 5
HS 2
24Rib and SlabVD **498
25The Tickle
S 5
VS 4c 5
27Black Mike
HVS 5a 2
E2 5c *7
29Wedding Bell AreteE2 5b 1
30Black PigE3 6a *4
31Rift WallVS 5a **181
32Rift Wall (Direct Finish)HVS 5b **6
33OrpheusE2 5b *34
34Black PuddingE3 5c *4
35Pedestal Route
VD 9
36Slab and Groove
HVS 5a 6
37Totally wired 9E8 6b *1
38Bog Of The Eternal StenchE5 6b **8
39The HereticE4 6a *6
40Yellow GrooveVS 4b **251
E3 6a *3
42Yellow WallE2 5b **110
43FeverHVS 5a 20
44Petite Fleur
HS 4b *52
45Grooved Rib
HVS 5a 12
46Rolling Stone
E1 5b 1
 cefn braich ridge back 
48Blubber Beasts
S 7
49the rib route
VD *31
 girdle traverses 
51The Black Belt
HS 4c **8
52What a Jump
VS 4b 1
53Mas Gato NegroE4 6b 2
54Black Letter DayE1 5b 1

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