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South Wales

Carmarthenshire

Llangadog

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

Routes

Hiking trails & Routes

South Wales

Carmarthenshire

Llangadog

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

Moderate

4.1

(10)

hikers

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

04:05

13.9km

390m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: June 6, 2024

Tips

Your route passes through protected areas

Please check local regulations for:

Brecon Beacons National Park

Waypoints

Start point

Parking

Get Directions

1.37 km

Garreg Lwyd Summit

Highlight • Natural Monument

South Wales' westernmost 2,000-footer at 2,021 feet (616 m), Garreg Lwyd is the last high outpost of the Black Mountain range. It makes for a very quick ascent from the …

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3.28 km

Foel Fraith

Highlight • Natural Monument

With its northern slopes hewn from limestone and the rest by Twrch Sandstone, Foel Fraith is a hill of contrasting sides. Its summit is relatively unfrequented and features a broad, …

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6.81 km

Garreg Las Summit Cairns

Highlight • Natural Monument

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 …

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13.9 km

Herbert's Quarry

Highlight • Historical Site

Also referred to as Black Mountain Quarry, Herbert's Quarry ceased operation in the late 1950s and since then its buildings have fallen into ruin. The remains and spoil heaps tell …

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13.9 km

End point

Parking

Way Types & Surfaces

Way Types

12.7 km

1.25 km

Surfaces

12.3 km

1.22 km

425 m

Elevation

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

Highest point (630 m)

Lowest point (460 m)

Weather

Tuesday 26 May

26°C

16°C

47 %

Additional weather tips

Max wind speed: 18.0 km/h

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This route was planned by komoot.

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Trail Reviews

Jens Zeumer

July 16, 2025, 3-Gipfel-Tour im Schwarzen Gebirge, Brecon Beacons National Park

The last few kilometers are almost impossible to walk with dry feet during or after rain.

Translated by Google•

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

Garreg Lwyd Summit

Foel Fraith

Garreg Las Summit Cairns

Herbert's Quarry

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Trail Reviews

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