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Mountain biking trails

Gwaun-Cae-Gurwen

Herbert's Quarry – View of Carreg Cennen Castle loop from Gwaun-Cae-Gurwen

Mountain biking trails

Gwaun-Cae-Gurwen

Herbert's Quarry – View of Carreg Cennen Castle loop from Gwaun-Cae-Gurwen

Moderate

2

riders

Herbert's Quarry – View of Carreg Cennen Castle loop from Gwaun-Cae-Gurwen

02:22

32.8km

670m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 10, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

A

Start point

Bus stop

Get Directions

1

4.44 km

Disused Railway Bridge Over the River Amman

Highlight • Historical Site

This disused railway bridge ran East out of the old iron works, across the river Amman to join the main line.

Tip by

2

4.87 km

Black Mountain Climb from Brynaman

Highlight (Segment) • Viewpoint

The Black Mountain Category 3 Climb from Brynaman is a 5.5km climb with a total ascent of 312m, topping out at 495m. The average gradient is 5.8% with the steepest …

Tip by

3

10.8 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

4

11.3 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

5

14.1 km

View West Over Bannau Brycheiniog National Park

Highlight • Viewpoint

Bit of climbing but rewarded with views and eventually emerge further up the Black Mountain

Tip by

6

18.4 km

View of Carreg Cennen Castle

Highlight • Castle

7

22.9 km

Red Kite

Highlight • Natural Monument

B

32.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

19.1 km

10.1 km

1.94 km

805 m

770 m

< 100 m

< 100 m

Surfaces

19.1 km

12.3 km

672 m

284 m

170 m

< 100 m

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Elevation

Elevation

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

Highest point (490 m)

Lowest point (130 m)

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Weather

Powered by Foreca

Thursday 25 June

23°C

16°C

15 %

Additional weather tips

Max wind speed: 21.0 km/h

to get more detailed weather forecasts along your route

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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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