Stone bridge over the River Cefni – Cefni River Railway Viaduct loop from Llandegfan

Bike touring routes & trails

Stone bridge over the River Cefni – Cefni River Railway Viaduct loop from Llandegfan

Moderate

riders

Stone bridge over the River Cefni – Cefni River Railway Viaduct loop from Llandegfan

02:43

43.3km

380m

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: August 18, 2026

Tips

Includes a segment in which cycling is not permitted

After 13.5 km for 111 m

Waypoints

Start point

Bus stop

Get Directions

13.5 km

Bodowyr Burial Chamber

Highlight • Natural Monument

Neolithic standing stones still shrouded in mystery

Standing on a hillock backed by panoramic views of Snowdonia, Bodowyr is a striking landmark. The massive, mushroom-shaped capstone was originally supported by …

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16.0 km

Scenic Views on Sustrans Route 8

Highlight • Trail

18.6 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 …

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20.9 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.

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21.7 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 …

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21.8 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 …

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43.3 km

End point

Bus stop

Way Types & Surfaces

Way Types

42.8 km

429 m

116 m

< 100 m

Surfaces

32.9 km