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Trefil Quarry Cliffs – The Flinty Stone loop from Pengam

Trefil Quarry Cliffs – The Flinty Stone loop from Pengam

Hard

4

riders

Trefil Quarry Cliffs – The Flinty Stone loop from Pengam

04:01

55.6km

770m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 21, 2026

Tips

Cycling is not permitted along parts of this route

After 46.0 km for 118 m

After 46.7 km for 97 m

Waypoints

A

Start point

Train Station

Get Directions

1

3.26 km

Chartist Bridge

Highlight • Bridge

Chartist bridge is a cable-stayed bridge suspended 100 ft above the valley floor at Blackwood.

A statue of an imposing figure of a chartist striding forward, pike in hand is …

Tip by

2

9.11 km

Forest Gravel Path with Valley View

Highlight (Segment) • Trail

3

17.3 km

Bench Near Cairnryan with View of Communication Towers

Highlight • Viewpoint

Nice little gravel section, quite fast both up and down with a few potholes and squirelly bis to keep you on your toes. Keep it loose and lithe...

Tip by

4

21.9 km

Gravel Path with Large Puddles

Highlight (Segment) • Trail

5

27.8 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

6

28.2 km

The Flinty Stone

Highlight • Natural Monument

7

29.6 km

Mountain Road in Bannau Brycheiniog National Park

Highlight • Viewpoint

45.7 km

Cwmllwydrew Meadows

Nature Reserve

9

46.4 km

Trail by Cwm Darren Lake

Highlight • Lake

B

55.6 km

End point

Train Station

Way Types & Surfaces

Way Types

22.0 km

11.3 km

11.1 km

8.62 km

2.05 km

274 m

218 m

Surfaces

24.1 km

16.8 km

11.7 km

2.90 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 (140 m)

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Weather

Powered by Foreca

Thursday 25 June

26°C

16°C

0 %

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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