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Routes
Bike touring routes & trails
United Kingdom
Wales
North Wales
Anglesey
Valley

Stone bridge over the River Cefni – Afon Cefni River Trail loop from Valley

Routes
Bike touring routes & trails
United Kingdom
Wales
North Wales
Anglesey
Valley

Stone bridge over the River Cefni – Afon Cefni River Trail loop from Valley

Moderate

5.0

(1)

7

riders

Stone bridge over the River Cefni – Afon Cefni River Trail loop from Valley

04:05

67.1km

400m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 14, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Tirwedd Cenedlaethol Ynys Môn

SoDdGA Cors Ddyga

Waypoints

A

Start point

Train Station

Get Directions

1

4.49 km

Llyn Cerrig Bach

Highlight • Historical Site

A spectacular spot not just for the scenery, bit as its next to the RAF base you have a good chance to spot some of the jets coming in and out.

Tip by

2

5.03 km

RAF Valley Aircraft Viewing Area

Highlight • Viewpoint

RAF Valley on Anglesey is home to No 4 Flying Training School, responsible for training the UK's next generation of world-class fighter pilots.

Safely watch aircraft at RAF Valley from …

Tip by

3

23.9 km

Stone bridge over the River Cefni

Highlight • River

Pont Marquis Bridge
Spanning the Afon Cefni, carrying the Trefdraeth to Llangaffo road, c. 3km ENE of Malltraeth. The bridge, which is Grade II listed, was built in the early …

Tip by

4

28.2 km

Lon Las Cefni cycle path along the Afon Cefni

Highlight • Cycleway

Afon Cefni is one of the major rivers on the island of Anglesey, Wales. It is 16.9 kilometres long. Its source is near to the village of Capel Coch, before …

Tip by

5

30.4 km

Afon Cefni River Trail

Highlight (Segment) • River

We rode from the North back to Llangefni and so rode along the impressive reservoir at the top of the valley then cruised all through the woods to the town itself on a smooth very rideable track. Beautiful and quiet.

Tip by

32.1 km

The Dingle (Nant y Pandy) Nature Reserve

Nature Reserve

7

33.9 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

8

33.9 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

9

35.1 km

Llyn Cefni

Highlight • Lake

49.6 km

Ruins

Ruins

B

67.1 km

End point

Train Station

Loading

Way Types & Surfaces

Way Types

55.0 km

9.07 km

1.62 km

604 m

493 m

236 m

176 m

Surfaces

43.8 km

20.8 km

1.62 km

943 m

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Elevation

Elevation

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

Highest point (100 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Today

Tuesday 30 June

17°C

13°C

17 %

Additional weather tips

Max wind speed: 41.0 km/h

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