View of Llyn Trawsfynydd – Llyn Trawsfynydd loop from Trawsfynydd

Mountain biking trails

View of Llyn Trawsfynydd – Llyn Trawsfynydd loop from Trawsfynydd

Easy

4.0

(1)

riders

View of Llyn Trawsfynydd – Llyn Trawsfynydd loop from Trawsfynydd

01:23

17.5km

250m

Mountain biking

Easy mountain bike ride. The starting point of the route is accessible with public transport.

Last updated: November 2, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Bus stop

Get Directions

11 m

Bicycle Maintenance Station at The Cross Foxes

Highlight • Rest Area

Lil station to fix your poney, across the road from the pub

Tip by

919 m

Trawsfynydd Trig Point

Highlight • Viewpoint

Trawsfynydd FBM
Snowdonia trig

Translated by Google •

Tip by

1.70 km

Singletrack Trail in Parc Cenedlaethol Eryri

Highlight (Segment) • Trail

A bit muddy after rain but never too bad. Avoids the main road, well signposted.

Tip by

3.83 km

Llyn Trawsfynydd Visitor Centre

Highlight • Cafe

Cafe/restaurant and fishing centre at the lake. Open Thurs-Sun 8-2:30

Tip by

4.22 km

Trawsfynydd Nuclear Power Station

Highlight • Monument

Here you can learn that the nuclear power plant is no longer in operation, serves as a (temporary) storage facility and should be dismantled by the end of the century.

Translated by Google •

Tip by

4.29 km

View of Llyn Trawsfynydd

Highlight • Viewpoint

Beautiful views across the lake and the mountains beyond. Originally a reservoir built for the nuclear power station nearby.

Tip by

4.44 km

An enormous man-made reservoir, Llyn Trawsfynydd originally provided cooling water for the local nuclear power station (now undergoing decommissioning). The lake lies in the west of Snowdonia National Park and …

Tip by

13.3 km

Hefin's Wall

Highlight • Structure

the worlds famous hefin's wall

Tip by

17.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

9.09 km

3.82 km

1.66 km

1.53 km

1.13 km

244 m

Surfaces

6.11 km

3.91 km

3.80 km

3.22 km

435 m

Elevation

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

Highest point (320 m)

Lowest point (150 m)

Weather

Today

Thursday 12 November

7°C

-1°C

0 %

Additional weather tips

Expect light wind and shifting conditions.

to get more detailed weather forecasts along your route

Comments

May 31, 2025,Smooth green grade singletrack – Llyn Trawsfynydd lake views loop from Trawsfynydd

This is not easy. I would say the difficulty is moderate to hard. It's ok along the lake but there's quite a few gates to go through along the trail, but once you leave the trail lakeside, it becomes hilly on the road, then the circuit on the other side of the road away from the lake is quite difficult. …