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Mountain biking trails

Betws Gwerfil Goch

Alwen Dam – Llyn Brenig loop from Bod Petryal Cottage

Mountain biking trails

Betws Gwerfil Goch

Alwen Dam – Llyn Brenig loop from Bod Petryal Cottage

Moderate

6

riders

Alwen Dam – Llyn Brenig loop from Bod Petryal Cottage

04:30

52.0km

850m

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

A

Start point

Parking

Get Directions

1

13.3 km

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

2

13.9 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

15.1 km

Alwen Reservoir

Lake

19.1 km

Alwen Plantation

Forest

5

23.5 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

6

23.9 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

7

28.3 km

Forest Mountain Bike Trails

Highlight • MTB Park

fast descents and various trails

Tip by

8

48.1 km

Forest Pond

Highlight • Lake

A few metres off the track. Access can get a little overgrown.

Tip by

B

52.0 km

End point

Parking

Way Types & Surfaces

Way Types

23.1 km

19.8 km

8.43 km

521 m

141 m

< 100 m

Surfaces

23.4 km

12.5 km

11.5 km

4.09 km

564 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 (460 m)

Lowest point (160 m)

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Weather

Powered by Foreca

Tuesday 30 June

19°C

12°C

27 %

Additional weather tips

Max wind speed: 26.0 km/h

to get more detailed weather forecasts along your route

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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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