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Mountain biking trails

View of Alwen Reservoir – Llyn Brenig loop from Alwen Dam

Routes

Mountain biking trails

View of Alwen Reservoir – Llyn Brenig loop from Alwen Dam

Moderate

riders

View of Alwen Reservoir – Llyn Brenig loop from Alwen Dam

03:35

44.3km

580m

Mountain biking

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

Last updated: April 30, 2026

Waypoints

Start point

Parking

Get Directions

51 m

Alwen Dam

Highlight • Monument

The grand, ornate stone dam of Alwen Reservoir couldn't be more of a contrast to the neighbouring Llyn Brenig Dam. It's well worth taking a minute or two to take …

Tip by

4.32 km

View of Alwen Reservoir

Highlight • Lake

This is the high point of the circular Alwen trail around Alwen Reservoir.

Enjoy the wonderful views in nearly all directions, which really is a great reward after the long …

Tip by

4.65 km

View of the Wooden Bridge Over the River

Highlight • River

An easy route for all abilities

Tip by

4.84 km

View of Alwen Reservoir

Highlight • Viewpoint

5.58 km

Alwen Reservoir Wooden Bridge

Highlight • Cycleway

A long wooden bridge spans the upper reaches of the Alwen Reservoir, which features on the Two Lakes and Alwen circular cycle routes. It's absolutely covered in lichen and feels …

Tip by

12.7 km

Llyn Brân

Lake

33.6 km

Llyn Brenig

Highlight • Viewpoint

You can find some glorious views here on the edge of Llyn Brenig. Llyn is Welsh for lake.

The dam is fairly recent; it was begun in 1973 and finished …

Tip by

34.0 km

Llyn Brenig Visitor Centre

Highlight • Rest Area

The visitor centre at Llyn Brenig is open all year round, with extended hours during the fishing season.

There's an adventure playground, picnic area, cafe, osprey exhibition, gift shop, public …

Tip by

38.5 km

Alwen Plantation

Forest

42.4 km

Alwen Reservoir

Lake

43.6 km

View of the Alwen Reservoir from the north shore

Highlight • Lake

The views over Alwen Reservoir from this section along the northern shore are simply wonderful! You'll take them in if you follow the waymarked Alwen or Lakes Circular routes.

Tip by

44.3 km

End point

Parking

Way Types & Surfaces

Way Types

14.0 km

12.3 km

7.47 km

5.48 km

4.16 km

713 m

200 m

Surfaces

16.4 km

9.92 km

9.71 km

7.01 km

965 m

369 m

Elevation

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

Highest point (460 m)

Lowest point (310 m)

Weather

Friday 17 July

20°C

8°C

29 %

Additional weather tips

Max wind speed: 19.0 km/h

to get more detailed weather forecasts along your route

Comments

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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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View of Alwen Reservoir – Llyn Brenig loop from Alwen Dam

Alwen Dam

View of Alwen Reservoir

View of the Wooden Bridge Over the River

View of Alwen Reservoir

Alwen Reservoir Wooden Bridge

Llyn Brenig

Llyn Brenig Visitor Centre

View of the Alwen Reservoir from the north shore

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