Also referred to as Twyn Swnd, Garreg Las is a 2,083-foot (635 m) hill to the west of Fan Brycheiniog in the Black Mountain region of the Brecon Beacons National Park. The summit is notable for its two huge rocky cairns, once thought to be Bronze Age stone barrows. It is usually ascended from Llanddeusant to the north and the path across the summit forms part of the Beacons Way long-distance footpath.

David Howells

February 4, 2024

Hiking

Garreg Las (Twyn-Swnd) is on the west side of the Black Mountain range, and it is visited far less often than many peaks in the Brecon Beacons. Its remoteness is …

dipperdolphin

July 29, 2022

Hiking

Easy summit to get too, not as challenging as the big peaks to the East - only a short walk from them too. Interesting terrain at the top - very rocky.

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Best Hikes to Garreg Las Summit Cairns

4.3

(9)

hikers

1. Into the Black Mountain — Herbert's Quarry to Garreg Las loop, Brecon Beacons National Park

13.9km

04:05

390m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

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2. Herbert's Quarry – Garreg Lwyd Summit loop from Gwynfe

21.6km

06:38

760m

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Hard

3.7

(3)

hikers

3. Foel Fawr Limestone Quarry – Herbert's Quarry loop from Gwynfe

13.0km

03:41

290m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

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Informations

Elevation 630 m

Weather

Most visited during

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Location: Llanddeusant, Carmarthenshire, South Wales, Wales, United Kingdom

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Garreg Las Summit Cairns

1. Into the Black Mountain — Herbert's Quarry to Garreg Las loop, Brecon Beacons National Park

2. Herbert's Quarry – Garreg Lwyd Summit loop from Gwynfe

3. Foel Fawr Limestone Quarry – Herbert's Quarry loop from Gwynfe

Other Popular Places to Check Out

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