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Mountain biking trails

Llanfair-Mathafarn-Eithaf

Cefni Forest – Afon Cefni River loop from Benllech

Mountain biking trails

Llanfair-Mathafarn-Eithaf

Cefni Forest – Afon Cefni River loop from Benllech

Easy

4.0

(1)

2

riders

Cefni Forest – Afon Cefni River loop from Benllech

01:44

26.6km

220m

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 20, 2026

Tips

Cycling is not permitted along parts of this route

After 1.63 km for 241 m

After 10.2 km for 98 m

After 10.5 km for 163 m

Waypoints

A

Start point

Bus stop

1

9.57 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

12.3 km

River Entering Llyn Llangefni

Highlight • Lake

3

12.3 km

Afon Cefni River

Highlight • Other

4

12.8 km

Llyn Cefni

Highlight • Lake

5

14.0 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

6

14.0 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

B

26.6 km

End point

Bus stop

Way Types & Surfaces

Way Types

18.3 km

4.95 km

2.46 km

678 m

199 m

< 100 m

Surfaces

16.1 km

3.99 km

2.89 km

1.95 km

1.27 km

391 m

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Elevation

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

Highest point (100 m)

Lowest point (30 m)

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Weather

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Wednesday 7 October

16°C

11°C

-- %

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