Rockfax Description
An amazing scramble up a remote ridge that has a real adventurous feel to it. It can be linked with the Cwm Llafar Horseshoe for a full day or you can return down the ridge above Afon Llafar. Although generally north-facing, the spur dries quickly and its popularity has kept the lichen at bay. Start below the crag. Go up towards the left-hand waterfall and wind your way up to the right of Llech Ddu into an upper cwm. Pick out a vague path that leads leftwards towards a small shoulder by a quartz band. Traverse here to the start of the true Crib Lem Spur.
1) Dependent on conditions, you can head up direct (harder) or work back right from just past the base of the spur to gain the top of the first rise (easier, especially in the damp).
2) Go direct up the rib and either over, or around, the classic table-top.
3) From the table, the ridge steepens up again. Climb it direct to where it starts to peter out. A vague path leads up to the summit of Carneddau Dafydd.
Descent - Go north and pick up the ridge that leads down to Mynydd Du. From the end of this ridge you can pick up the path you used to approach the route. Alternatively you can follow the Cwm Pen Llafar Horseshoe. © Rockfax

UKC Logbook Description
The scramble starts above Llech Ddu. Gain it by ascending into Cwmglas Bach then cutting back left along a ramp to arrive above the crag. From here simply follow the ridge up. Some obstacles can be avoided. The ridge soon merges with the summit slopes. Walk up these to reach the top of Carnedd Dafydd


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User Date Notes
JaySheppard 6 May, 2022 Show βeta
βeta: Killed the hangover
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βeta: Killed the hangover

Logged Ascents

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Guidebooks for Llech Ddu (Black Slab)

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High Grade-2
Mid Grade-2
Low Grade-2
High Grade-1
Mid Grade-1
Low Grade-1
Votes cast 72
Votes cast 74
Style of Ascent
Alt Leads
Not Set
Flashed (β)
Ground Up
Not Set
Route of Interest
Southern Ridge Circuit

Grade: Grade-1 ***
(Craig Braich Ty Du (Pen yr Ole Wen))

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