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Mountain biking trails

View of Alwen Reservoir – Llyn Brenig loop from Glasfryn

Routes

Mountain biking trails

View of Alwen Reservoir – Llyn Brenig loop from Glasfryn

Moderate

View of Alwen Reservoir – Llyn Brenig loop from Glasfryn

03:32

44.1km

770m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is right next to a parking lot.

Last updated: April 30, 2026

Waypoints

Start point

Parking

Get Directions

7.21 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

7.53 km

View of the Wooden Bridge Over the River

Highlight • River

An easy route for all abilities

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7.73 km

View of Alwen Reservoir

Highlight • Viewpoint

8.46 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 …

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10.4 km

Bridleway through Hafod Elwy Moor National Nature Reserve

Highlight (Segment) • Trail

A quieter stretch of bridleway connecting the Brenig and Alwen reservoirs. The track is relatively smooth and quite flat, though can sometimes be pretty muddy after rain.

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29.4 km

Forest Mountain Bike Trails

Highlight • MTB Park

fast descents and various trails

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33.8 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 …

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36.3 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 …

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44.1 km

End point

Parking

Way Types & Surfaces

Way Types

23.8 km

7.54 km

6.52 km

4.95 km

809 m

503 m

Surfaces

15.8 km

11.4 km

9.21 km

7.54 km

204 m

Elevation

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

Highest point (470 m)

Lowest point (270 m)

Weather

Wednesday 20 May

17°C

11°C

25 %

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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View of Alwen Reservoir – Llyn Brenig loop from Glasfryn

View of Alwen Reservoir

View of the Wooden Bridge Over the River

View of Alwen Reservoir

Alwen Reservoir Wooden Bridge

Bridleway through Hafod Elwy Moor National Nature Reserve

Forest Mountain Bike Trails

Llyn Brenig

Alwen Dam

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