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Bike touring routes & trails

Stone bridge over the River Cefni – Llyn Cefni Reservoir and Dam loop from Llangristiolus

Bike touring routes & trails

Stone bridge over the River Cefni – Llyn Cefni Reservoir and Dam loop from Llangristiolus

Easy

7

riders

Stone bridge over the River Cefni – Llyn Cefni Reservoir and Dam loop from Llangristiolus

01:26

23.0km

130m

Cycling

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

Last updated: May 21, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

SoDdGA Cors Ddyga

Waypoints

A

Start point

Bus stop

Get Directions

1

6.11 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

2

10.4 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

3

13.9 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

4

14.0 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

16.1 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

6

16.2 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

17.4 km

Llyn Cefni

Highlight • Lake

8

17.8 km

Afon Cefni River

Highlight • Other

B

23.0 km

End point

Bus stop

Way Types & Surfaces

Way Types

12.3 km

8.20 km

1.62 km

511 m

180 m

111 m

< 100 m

Surfaces

11.8 km

8.52 km

1.62 km

906 m

116 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 (80 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Tuesday 14 July

25°C

15°C

0 %

Additional weather tips

Max wind speed: 27.0 km/h

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