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Mountain biking trails

Cefni Forest – Llyn Cefni Reservoir and Dam loop from Isle of Anglesey

Mountain biking trails

Cefni Forest – Llyn Cefni Reservoir and Dam loop from Isle of Anglesey

Easy

8

riders

Cefni Forest – Llyn Cefni Reservoir and Dam loop from Isle of Anglesey

00:51

11.7km

70m

Mountain biking

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 27, 2026

Tips

Cycling is not permitted along parts of this route

After 2.16 km for 163 m

After 2.51 km for 98 m

After 3.47 km for 136 m

Waypoints

A

Start point

Bus stop

1

3.27 km

Cefni Forest

Highlight • Forest

Cefni Forest on Anglesey surrounds Llyn Cefni reservoir near Llangefni. It offers peaceful woodland trails for walking and cycling, linking to the Lon Las Cefni route. The forest is a …

Tip by

2

4.87 km

Llyn Cefni Dam

Highlight • Monument

Llyn Cefni Dam

During World War II, a water scheme was devised for the town of Llangefni in central Anglesey. It involved water from a local source being pumped to …

Tip by

3

5.64 km

Red Squirrel Viewing Spot

Highlight • Natural Monument

4

6.99 km

The Dingle Local Nature Reserve

Highlight • Gorge

The Dingle Local Nature Reserve is a 10 hectare (25 acre) wooded valley rich in wildlife and history. It is bisected by the river Cefni, which comes from the Welsh word "cafn" meaning trough or hollow.

Tip by

5

7.15 km

St Cyngar's Church, Llangefni

Highlight • Historical Site

St Cyngar's Church is a church in the town of Llangefni in Anglesey, Wales. The building dates from 1824. It was designated a Grade II listed building on 8 July 1952.

Tip by

6

9.47 km

Llyn Cefni Reservoir and Dam

Highlight • Structure

Llyn Cefni is a reservoir in central Anglesey. It's managed by Welsh Water. It was completed in 1951 and supplies water to most of Anglesey.

Tip by

7

10.7 km

Llyn Cefni

Highlight • Lake

8

11.1 km

Afon Cefni River

Highlight • Other

B

11.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

3.79 km

3.44 km

2.14 km

1.15 km

987 m

216 m

Surfaces

4.33 km

2.67 km

2.38 km

1.83 km

261 m

243 m

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Elevation

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

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Weather

Powered by Foreca

Saturday 17 October

12°C

2°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

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