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Mountain biking trails

Castle Valley on Twrch Trail – Twrch Trail loop from Pye Corner

Mountain biking trails

Castle Valley on Twrch Trail – Twrch Trail loop from Pye Corner

Hard

4.8

(29)

852

riders

Castle Valley on Twrch Trail – Twrch Trail loop from Pye Corner

03:15

37.0km

780m

Mountain biking

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is accessible with public transport.

Last updated: May 9, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 8.72 km for 207 m

Waypoints

A

Start point

Train Station

Get Directions

1

9.05 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

12.7 km

Y Mynydd DH Road Gap

Highlight • Trail

Part of the extreme-rated Y Mynydd DH track, there are two options at 'Road Gap': a large drop off the road, or a rocky roll down great slabs into a berm. The choice is yours, but neither look particularly easy!

Tip by

3

14.6 km

Cafall Rock Garden

Highlight • Trail

A short, rocky section of the Cafall climb gives you a technical challenge as you round a corner and ride down a short descent over a rock garden. Line choice is everything here!

Tip by

4

17.9 km

View of Cwmcarn Forest

Highlight • Forest

5

23.8 km

Y Mynydd Downhill Bridge

Highlight • Bridge

You'll see and ride under this bridge on the pedal into Cafall and Twrch, but here it's part of the expert-rated Y Mynydd downhill track. You roll onto the bridge …

Tip by

6

25.0 km

Twrch Trail

Highlight • MTB Park

The red graded trail loop at Cwmcarn is one of the classic UK trail centre routes. At 15.5km long, it's comprised of a long, rocky and rough initial climb, but …

Tip by

7

25.5 km

Cwmcarn Trailhead Arch

Highlight • Rest Area

Look for the arch to start riding at Cwmcarn, which marks the start of the red-rated Twrch and Cafall trails. Here you'll also find trail maps and information for these …

Tip by

8

25.7 km

Cwmcarn — Twrch Mountain Bike Trail

Highlight • Parking

Cwmcarn Forest in South Wales consists of two red graded singletrack trails and 2 DH tracks.
Both the singletrack trails contain lots of long technical climbs as well as some …

Tip by

B

37.0 km

End point

Train Station

Way Types & Surfaces

Way Types

17.3 km

12.2 km

5.63 km

915 m

718 m

255 m

Surfaces

14.5 km

12.1 km

4.46 km

2.80 km

2.36 km

665 m

111 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 (400 m)

Lowest point (30 m)

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Weather

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Sunday 10 May

14°C

3°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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