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Road cycling routes

View of Cemaes Bay and Harbour – Four Mile Bridge loop from Holyhead

Road cycling routes

View of Cemaes Bay and Harbour – Four Mile Bridge loop from Holyhead

Hard

160

riders

View of Cemaes Bay and Harbour – Four Mile Bridge loop from Holyhead

04:34

104km

920m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: May 16, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Tirwedd Cenedlaethol Ynys Môn

Waypoints

A

Start point

Train Station

Get Directions

1

11.8 km

RAF Valley

Highlight • Historical Site

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.

Aircrew is also trained at RAF Valley for mountain and maritime operations throughout the world.

Tip by

2

23.5 km

RAF Mona Airfield

Highlight • Historical Site

This location was first used for aviation during the First World War when the Royal Naval Air Service opened an airship base here named Royal Naval Air Station (RNAS) Anglesey …

Tip by

3

46.7 km

Moelfre Harbour and Waterfall

Highlight • Settlement

Moelfre is a pretty village on the eastern coast of Anglesey with views out across the Irish Sea towards the Forest of Bowland and the Lake District.

Tip by

4

65.8 km

Parys Mountain

Highlight • Cycleway

Please check your brake before decent

Tip by

5

70.8 km

Porth Llechog (Bull Bay)

Highlight • Settlement

The beach at Bull Bay is a very small one with shingle and rocks.

Bull Bay is a tiny coastal village on the main Anglesey road (A5025) situated between Amlwch …

Tip by

6

76.1 km

Cemaes Harbour and Village

Highlight • Settlement

The most northerly village is Wales. Some good places to stop you will also see the wind farm from the road.

Tip by

7

76.5 km

View of Cemaes Bay and Harbour

Highlight • Beach

Cemaes Bay truly is a lovely everyman village with a pretty little harbour and two beaches.

Both beaches are perfect for all manner of fun beach activities, Sailing, Windsurfing and …

Tip by

83.1 km

Ruins

Ruins

9

98.0 km

Four Mile Bridge

Highlight • Bridge

The bridge itself takes the same name as the village it is situated in and is one of three bridges connecting Holy Island and Anglesey. The bridge is approximately four …

Tip by

B

104 km

End point

Train Station

Way Types & Surfaces

Way Types

76.1 km

27.2 km

770 m

455 m

< 100 m

Surfaces

99.1 km

5.32 km

< 100 m

< 100 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 (120 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Tuesday 14 July

24°C

17°C

-- %

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