Caernarfon Castle – Menai Suspension Bridge loop from Pen-y-groes

Caernarfon Castle – Menai Suspension Bridge loop from Pen-y-groes

Moderate

riders

Caernarfon Castle – Menai Suspension Bridge loop from Pen-y-groes

02:52

65.2km

540m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: September 10, 2026

Tips

Cycling is not permitted along parts of this route

After 11.4 km for 102 m

After 38.4 km for 206 m

Waypoints

Start point

Bus stop

Get Directions

1.45 km

Gwinllan Tyddyn

Forest

2.29 km

Coed y Garth

Forest

6.41 km

Lon Las Menai Cycleway

Highlight (Segment) • Cycleway

Lon Las Menai and Lon Las Ogwen are great routes for all cycling abilities; completely without traffic. A safe space shared by people with the same interests.

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11.3 km

View of Caernarfon Castle

Highlight • Historical Site

Castell Caernarfon is recognised around the world as one of the greatest buildings of the Middle Ages.

This fortress-palace on the banks of the River Seiont is grouped with Edward …

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11.6 km

Caernarfon Castle

Highlight • Castle

A medieval fortress situated on the on the banks of the River Seiont, Caernarfon Castle has protected Caernarfon since the 11th century. The magnificent castle is open to visitors from …

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34.2 km

Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch Village

Highlight • Settlement

Llanfairpwllgwyngyll, or Llanfair Pwllgwyngyll (Welsh: [ɬan.ˌvair.puɬˈɡwɨ̞n.ɡɨ̞ɬ]), is a village and community on the Isle of Anglesey, Wales. It is located on the Menai Strait, next to the Britannia Bridge.

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37.9 km

Menai Suspension Bridge

Highlight • Historical Site

Designed by Scottish architect Thomas Telford, the Menai Suspension Bridge links the island of Anglesey with mainland Wales. The completion of the bridge in 1826 made the island accessible via …

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38.5 km

Menai Suspension Bridge

Highlight • Historical Site

Make sure to visit when the tide is in for the best view.

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39.0 km

Menai Suspension Bridge

Highlight • Bridge

Out of the two bridges that span the Menai Straits, this is the nicest to cycle across. Built by Thomas Telford in 1826, this suspension bridge is Grade I listed.

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52.6 km

Segontium Roman Fort

Highlight • Historical Site

Built by the Romans in AD 77 on the outskirts of Caernarfon, the Segontium Roman Fort was once the most important military base in North Wales. The Segontium was built …

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65.2 km

End point

Bus stop

Way Types & Surfaces

Way Types