Twyn Llech (703m), also known as Black Mountain, is the only Marilyn to fall exactly on the Welsh–English border, straddling Brecknockshire (Powys) and Herefordshire.

The Black Mountain is the highest …

Tip by

5.22 km

Black Mountain

Peak

5.65 km

Exmoor Ponies

So many pony’s!

Tip by

5.82 km

View from Hay Bluff Summit

To the East are views across the Cats Back and onwards to the Malvern Hills and miles into England. To the West are views of Twmpa (Lord Hereford's Knob). If …

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6.95 km

Hay Bluff

This is a beautiful area and is popular with hikers, paracenders, bikers and the general population at large. There is a narrow single track road, with ample passing places, that …

Tip by

10.1 km

Olchon Valley

12.7 km

End point

Way Types & Surfaces

Way Types

8.20 km

3.17 km

1.32 km

Surfaces

8.13 km

3.23 km

1.32 km

Elevation

Highest point (700 m)

Lowest point (350 m)

Weather

Today

Thursday 9 October

14°C

10°C

0 %

If you start your activity now...

Max wind speed: 7.0 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.

View from Hay Bluff Summit – Hay Bluff loop from Craswall

Twyn Llech (Black Mountain) Summit

Exmoor Ponies

View from Hay Bluff Summit

Hay Bluff

Olchon Valley

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