Stone bridge over the River Cefni – Cefni River Railway Viaduct loop from Pentre Berw

Llanfihangel Ysgeifiog

Stone bridge over the River Cefni – Cefni River Railway Viaduct loop from Pentre Berw

Easy

riders

Stone bridge over the River Cefni – Cefni River Railway Viaduct loop from Pentre Berw

01:57

41.1km

210m

Road cycling

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 21, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Tirwedd Cenedlaethol Ynys Môn

SoDdGA Cors Ddyga

Waypoints

Start point

Bus stop

Get Directions

836 m

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.

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5.14 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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7.36 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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7.97 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

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8.23 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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8.33 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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15.6 km

Aberffraw Village and River Ffraw

Highlight • Settlement

A lovely little coastal village at the mouth of the river Ffraw, just before it flows into the sea. There's a handy shop here to stock up on supplies. With …

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31.9 km

Bethel Village

Highlight • Settlement

Bethel is a very small village with only a couple of shops a church called (Capel Bethel Chapel) and only 2 pubs. I found one little premier shop for water.

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41.1 km

End point

Bus stop

Way Types & Surfaces

Way Types

26.5 km

9.14 km

5.26 km

Surfaces

23.1 km

17.8 km