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Llech Ddu Spur – Cwm Pen-llafar loop from Bethesda

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Hiking trails & Routes

Llech Ddu Spur – Cwm Pen-llafar loop from Bethesda

Hard

4.6

(5)

119

hikers

Llech Ddu Spur – Cwm Pen-llafar loop from Bethesda

04:44

11.4km

690m

Hiking

Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is accessible with public transport.

Last updated: May 12, 2026

Tips

Includes a segment that may be dangerous

A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.

After 4.83 km for 1.72 km

Waypoints

Start point

Bus stop

Get Directions

5.46 km

Llech Ddu Spur

Highlight • Natural Monument

The Llech Ddu Spur makes for a magnificent grade one scramble at the head of the wonderfully serene Cwm Pen-llafar. Also known as Crib Lem, the ridge is hugely atmospheric …

Tip by

5.61 km

Scramble With View of Eryri Mountains

Highlight • Viewpoint

scramble with good gradient, good for warmup

Tip by

6.90 km

Cwm Pen-llafar

Highlight • Gorge

This gloriously tranquil valley takes you deep into the Carneddau, where a scramble up the Llech Ddu Spur or rock climbs on the Ysgolion Duon (Black Ladders) awaits. The intimidating …

Tip by

7.07 km

Cwm Pen-llafar

Highlight • River

A remote valley that reaches deep into the wild Carneddau, Cwm Pen-llafar makes for a wonderful approach to routes up onto Carnedd Dafydd. The Carneddau's highest summits rise at the …

Tip by

11.4 km

End point

Bus stop

Way Types & Surfaces

Way Types

7.16 km

2.02 km

1.66 km

516 m

Surfaces

7.16 km

1.55 km

1.51 km

673 m

471 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Thursday 25 June

28°C

16°C

0 %

Additional weather tips

Max wind speed: 31.0 km/h

to get more detailed weather forecasts along your route

Comments

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Llech Ddu Spur – Cwm Pen-llafar loop from Bethesda

Llech Ddu Spur

Scramble With View of Eryri Mountains

Cwm Pen-llafar

Cwm Pen-llafar

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