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Routes
Mountain biking trails
United Kingdom
Wales
South Wales
Llanwrtyd Wells

Abergwesyn Pass – Llyn Brianne Dam loop from Llanwrtyd

Routes
Mountain biking trails
United Kingdom
Wales
South Wales
Llanwrtyd Wells

Abergwesyn Pass – Llyn Brianne Dam loop from Llanwrtyd

Hard

3

riders

Abergwesyn Pass – Llyn Brianne Dam loop from Llanwrtyd

04:36

50.1km

1,220m

Mountain biking

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: March 20, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 5.93 km for 521 m

Waypoints

A

Start point

Train Station

Get Directions

1

15.5 km

Wolf's Leap, River Irfon

Highlight • Gorge

Wolf's Leap is a deep pool along the River Irfon. It is accessed via a small path cut into the rock. At this point the river cuts through a narrow …

Tip by

2

15.6 km

Abergwesyn Pass

Highlight • Viewpoint

Absolutely beautiful, even in the cold and wet!

Tip by

3

16.6 km

Devil's Staircase Climb (Abergwesyn)

Highlight (Segment) • Trail

Deep in the wilderness lies a hill that needs no introduction, the Devil’s Staircase, and it’s the opportunity to tackle this beast that will lure many to sign up for …

Tip by

4

25.1 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

5

35.7 km

Llyn Brianne Dam Crossing

Highlight • Bridge

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

6

36.6 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

B

50.1 km

End point

Train Station

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Way Types & Surfaces

Way Types

21.6 km

11.3 km

9.02 km

7.99 km

< 100 m

< 100 m

Surfaces

16.7 km

14.1 km

10.8 km

6.49 km

1.99 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 (510 m)

Lowest point (170 m)

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Weather

Powered by Foreca

Wednesday 20 May

18°C

11°C

20 %

Additional weather tips

Max wind speed: 18.0 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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