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Road cycling routes

Llyn Cefni Reservoir and Dam – Pont Marquis loop from Newborough

Road cycling routes

Llyn Cefni Reservoir and Dam – Pont Marquis loop from Newborough

Moderate

5.0

(3)

38

riders

Llyn Cefni Reservoir and Dam – Pont Marquis loop from Newborough

01:34

30.1km

60m

Road cycling

Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is right next to a parking lot.

Last updated: October 8, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 14.1 km for 296 m

After 14.9 km for 171 m

After 15.2 km for 171 m

After 15.9 km for 296 m

Waypoints

A

Start point

Parking

1

1.48 km

Cob Pool and White Horses

Highlight • Lake

2

2.01 km

View of Malltraeth Cob and the estuary

Highlight • Structure

Malltraeth Cob
Malltraeth is the next village along from Newborough to the north. The two villages are linked by a “cob” – a dike wall – with a footpath/cycle track …

Tip by

3

2.17 km

Riverside Arts & Crafts Café Gallery

Highlight • Cafe

Café, take away and art gallery. Nice food, great setting and outdoor seating so perfect for your bike as well.
Open Thursday to Sunday 10:30 - 16:30

Tip by

4

9.30 km

Lon Las Cefni cycle path along the Afon Cefni

Highlight • Cycleway

Komoot suggests that road bikes may not be suitable, you might have to stop and push across the road but it's fine and legal under your wheels.

Tip by

13.4 km

The Dingle (Nant y Pandy) Nature Reserve

Nature Reserve

6

15.2 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

25.2 km

Pont Marquis

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

8

27.4 km

Cefni River Railway Viaduct

Highlight • Bridge

Railway bridge over head tarmac its smooth a couple of potholes but nice to be away from main road traffic.

Tip by

9

28.3 km

The Cob Path and Cefni Estuary Views

Highlight • Viewpoint

The Cob (about a mile in length) is an elevated tarmac footpath/cycle trail which runs parallel to the road but about 150 feet (50 m) from it.

It provides excellent …

Tip by

B

30.1 km

End point

Parking

Way Types & Surfaces

Way Types

21.4 km

6.48 km

875 m

586 m

562 m

204 m

< 100 m

Surfaces

20.8 km

7.60 km

1.35 km

407 m

< 100 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

Friday 9 October

14°C

10°C

48 %

Additional weather tips

Max wind speed: 29.0 km/h

to get more detailed weather forecasts along your route

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