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Mountain biking trails

Castle Valley on Twrch Trail – Off-Piste Forest Trail loop from Risca and Pontymister

Mountain biking trails

Castle Valley on Twrch Trail – Off-Piste Forest Trail loop from Risca and Pontymister

Moderate

42

riders

Castle Valley on Twrch Trail – Off-Piste Forest Trail loop from Risca and Pontymister

01:44

15.6km

590m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: May 12, 2026

Tips

Cycling is not permitted along parts of this route

After 7.03 km for 178 m

After 7.89 km for 259 m

After 11.6 km for 259 m

Waypoints

A

Start point

Train Station

Get Directions

1

4.97 km

Castle Valley on Twrch Trail

Highlight (Segment) • Viewpoint

A fun ribbon of rocky single track contouring around the hillside of Medart with incredible views down the valley to Newport. There are no major features on this section which is just as well: the scenery is breathtaking enough.

Tip by

2

9.23 km

Y Mynydd Downhill Start

Highlight • Trail

After winching yourself up the Medart (or hopping on the Cwmdown uplift bus) this is it: the start of the Y Mynydd downhill run. There are two options to begin …

Tip by

3

11.0 km

Off-Piste Forest Trail

Highlight • MTB Park

It’d be nice to shoot here at golden hour, a wonderful golden glow would punch through the trees I reckon!

Tip by

4

11.2 km

Risca Downhill

Highlight • MTB Park

Lovely Downhill. Would recommend.

Tip by

B

15.6 km

End point

Train Station

Way Types & Surfaces

Way Types

5.81 km

3.65 km

3.19 km

1.56 km

1.22 km

169 m

Surfaces

6.29 km

4.12 km

2.57 km

1.94 km

670 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 (380 m)

Lowest point (50 m)

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Weather

Powered by Foreca

Friday 10 July

32°C

17°C

0 %

Additional weather tips

Max wind speed: 16.0 km/h

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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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