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Llyn Brenig – Llyn Brenig Dam loop from Alwen Dam

Llyn Brenig – Llyn Brenig Dam loop from Alwen Dam

Hard

riders

Llyn Brenig – Llyn Brenig Dam loop from Alwen Dam

02:54

41.6km

660m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. 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

3.25 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

3.33 km

Llyn Brenig Dam

Highlight (Segment) • Structure

Crossing over the top of the Llyn Brenig dam you'll follow a wide and flat gravel track that makes for an easy ride while you soak in those marvellous views …

Tip by

4.54 km

Explore over 2500 acres of forest, moorland and lakes amid stunning upland scenery. With visitor centre, café, gift shop, osprey exhibition, adventure playground, cycle hire, mountain biking, walking trails, sailing …

Tip by

7.62 km

Forest Mountain Bike Trails

Highlight • MTB Park

fast descents and various trails

Tip by

25.7 km

Llyn Brenig — East Shore Gravel Track

Highlight (Segment) • Trail

A long and winding doubletrack gravel road that flanks the eastern shore of Llyn Brenig.

It's a little rough in places so best on a gravel bike, sturdy hybrid or …

Tip by

35.8 km

Alwen Plantation

Forest

40.8 km

Gravel Path by Llyn Brenig Reservoir

Highlight • Cycleway

40.9 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

41.6 km

End point

Parking

Way Types & Surfaces

Way Types

22.5 km

10.0 km

6.56 km

2.06 km

536 m

Surfaces

27.4 km

5.41 km

5.32 km

3.48 km

< 100 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 (280 m)

Weather

Wednesday 6 May

12°C

4°C

30 %

Additional weather tips

Max wind speed: 21.0 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 Brenig – Llyn Brenig Dam loop from Alwen Dam

Alwen Dam

Llyn Brenig

Llyn Brenig Dam

View of Llyn Brenig

Forest Mountain Bike Trails

Llyn Brenig — East Shore Gravel Track

Gravel Path by Llyn Brenig Reservoir

View of the Alwen Reservoir from the north shore

Nearby routes

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