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Mountain biking trails

Clydach Cycle Path – Llanelly Quarry Limekilns loop from Brynmawr

Mountain biking trails

Clydach Cycle Path – Llanelly Quarry Limekilns loop from Brynmawr

Moderate

10

riders

Clydach Cycle Path – Llanelly Quarry Limekilns loop from Brynmawr

01:28

21.2km

330m

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: September 10, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Cwm Clydach National Nature Reserve

Bannau Brycheiniog National Park

Waypoints

A

Start point

Bus stop

1

2.83 km

Historic Railway at Cwm Clydach

Highlight • Viewpoint

Some great riding up this way and great views

Tip by

4.65 km

Cwm Clydach National Nature Reserve

Nature Reserve

3

11.4 km

Clydach Cycle Path

Highlight (Segment) • Trail

Suitable for all bikes

Tip by

4

13.9 km

Old Railway Path and Stone Bridge, Bannau Brycheiniog National Park

Highlight • Bridge

Old railway turned cycle path close to the canal

Tip by

5

14.2 km

Gilwern Halt Railway Station Ruins

Highlight • Historical Site

Here are the remains of the Gilwern Halt railway station on the now abandoned Merthyr, Tredegar and Abergavenny railway. Two platforms and a bridge including stairs are left and can be visited via the cycle path #46.

Tip by

6

16.7 km

Clydach Tunnels Western Portals

Highlight • Structure

The Clydach Tunnels are one of two tunnels on the now abandoned Merthyr, Tredegar and Abergavenny Railway between Abergavenny and Brynmawr. Here you can find the the western portals. The …

Tip by

7

17.2 km

Llanelly Quarry Limekilns

Highlight • Monument

Llanelly Quarry once supplied the Clydach Ironworks with limestone. Two pairs of limekilns can still be seen from the cycle path #46.

Tip by

B

21.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

8.71 km

6.51 km

2.83 km

1.81 km

1.07 km

332 m

Surfaces

10.7 km

6.11 km

2.82 km

1.07 km

615 m

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Elevation

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

Highest point (360 m)

Lowest point (110 m)

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Weather

Powered by Foreca

Sunday 18 October

11°C

4°C

21 %

Additional weather tips

Max wind speed: 18.0 km/h

to get more detailed weather forecasts along your route

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