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Mountain biking trails

Llyn Brianne Dam – Llyn Brianne Dam Crossing loop from RSPB Gwenffrwd-Dinas

Routes

Mountain biking trails

Llyn Brianne Dam – Llyn Brianne Dam Crossing loop from RSPB Gwenffrwd-Dinas

Hard

riders

Llyn Brianne Dam – Llyn Brianne Dam Crossing loop from RSPB Gwenffrwd-Dinas

06:02

62.4km

1,370m

Mountain biking

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: March 21, 2026

Tips

Cycling is not permitted along parts of this route

After 61.4 km for 62 m

After 62.1 km for 104 m

Waypoints

Start point

Parking

Get Directions

1.44 km

Llyn Brianne Dam

Highlight • Viewpoint

Stunning spot and worth the extra few hundred metres detour if the plan is otherwise to simply ride around the reservoir.

You'll find brilliant gravel and forestry roads on one …

Tip by

2.28 km

Llyn Brianne is a spectacular reservoir at almost 300m (990ft) above sea level. It is Wales second largest reservoir by volume and is contained by a 91m (300ft) stone-built dam, which is the largest of its kind in Europe.

Tip by

12.9 km

Capel Soar y Mynydd

Highlight • Religious Site

Capel Soar Y Mynydd is the most remote chapel in Wales. An invaluable spot to find some shelter on longer trips!

Tip by

20.4 km

Tywi Forest

Forest

36.7 km

Cwm Berwyn

Highlight (Segment) • Viewpoint

Nice little section of fire road through managed forest. Good surface, I managed on 33mm tyres. Some good log piles for photos! Lovely view behind you after you climb out of the trees.

Tip by

60.2 km

RSPB Gwenffrwd-Dinas Nature Reserve

Highlight • Forest

This charming RSPB site is not far from Llyn Brianne and is home to Twm Sion Cati's cave. You'll find a great circular footpath running nearby the river, boasting beautiful …

Tip by

61.3 km

Twm Siôn Cati's Cave

Highlight • Historical Site

Often referred to as the Robin Hood of Wales, Twm Siôn Cati is said to have used this cave as his hiding place to avoid being captured.

Check out more …

Tip by

61.8 km

RSPB Gwenffrwd-Dinas

Nature Reserve

62.4 km

End point

Parking

Way Types & Surfaces

Way Types

24.4 km

15.5 km

11.5 km

11.0 km

< 100 m

Surfaces

32.5 km

16.5 km

11.5 km

1.89 km

Elevation

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

Highest point (520 m)

Lowest point (130 m)

Weather

Wednesday 20 May

19°C

11°C

47 %

Additional weather tips

Max wind speed: 22.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Llyn Brianne Dam – Llyn Brianne Dam Crossing loop from RSPB Gwenffrwd-Dinas

Llyn Brianne Dam

Llyn Brianne Dam Crossing

Capel Soar y Mynydd

Cwm Berwyn

RSPB Gwenffrwd-Dinas Nature Reserve

Twm Siôn Cati's Cave

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