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South Wales

Carmarthenshire

Llangadog

Carn Pen-rhiw-ddu – Herbert's Quarry loop from Black Mountain Quarries

Routes

Hiking trails & Routes

South Wales

Carmarthenshire

Llangadog

Carn Pen-rhiw-ddu – Herbert's Quarry loop from Black Mountain Quarries

Easy

hikers

Carn Pen-rhiw-ddu – Herbert's Quarry loop from Black Mountain Quarries

01:55

6.65km

170m

Hiking

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: February 27, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

Start point

Parking

Get Directions

812 m

Carn Pen-rhiw-ddu

Highlight • Natural Monument

Carn Pen-rhiw-ddu 1,755 feet
(530 m) Welsh Dewey and Dodd summit.

Translated by Google •

Tip by

6.08 km

Viewpoint on the Mountain Road, Bannau Brycheiniog National Park

Highlight • Viewpoint

Nestled along one of the finest driving routes in Great Britain, this spot is perfect for a leisurely picnic at the available benches or simply admiring the stunning views.

Keep …

Tip by

6.60 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 …

Tip by

6.65 km

End point

Parking

Way Types & Surfaces

Way Types

4.05 km

1.50 km

967 m

127 m

Surfaces

3.83 km

1.50 km

967 m

261 m

< 100 m

Elevation

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

Highest point (530 m)

Lowest point (370 m)

Weather

Sunday 24 May

28°C

13°C

0 %

Additional weather tips

Max wind speed: 15.0 km/h

to get more detailed weather forecasts along your route

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

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Carn Pen-rhiw-ddu – Herbert's Quarry loop from Black Mountain Quarries

Carn Pen-rhiw-ddu

Viewpoint on the Mountain Road, Bannau Brycheiniog National Park

Herbert's Quarry

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