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Bike touring routes & trails

Trefil Quarry Cliffs – The Flinty Stone loop from Tredegar

Bike touring routes & trails

Trefil Quarry Cliffs – The Flinty Stone loop from Tredegar

Moderate

22

riders

Trefil Quarry Cliffs – The Flinty Stone loop from Tredegar

02:08

27.1km

340m

Cycling

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

Last updated: February 27, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

A

Start point

Bus stop

Get Directions

1

8.51 km

Trefil Quarry Cliffs

Highlight • Gorge

My favourite way into the Brecon Beacons, this gravel road from Brynmawr takes you pass these staggering cliffs of rock before descending down to Pontsticill Reservoir and riding the Gap.

Tip by

2

8.89 km

The Flinty Stone

Highlight • Natural Monument

3

10.7 km

View of Bannau Brycheiniog National Park

Highlight • Viewpoint

4

21.6 km

Simnai Dirdro (Twisted Chimney)

Highlight • Structure

‘Simnai Dirdro’ (twisted chimney) by Brian Tolle. Made of polycarbonate.

Tip by

5

24.5 km

Bryn Bach Park

Highlight • Lake

B

27.1 km

End point

Bus stop

Way Types & Surfaces

Way Types

7.97 km

5.03 km

4.74 km

4.41 km

4.30 km

690 m

Surfaces

10.4 km

8.65 km

6.35 km

1.77 km

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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 (540 m)

Lowest point (310 m)

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Weather

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Tuesday 5 May

12°C

5°C

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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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