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Routes
Bike touring routes & trails
United Kingdom
Wales
North Wales
Gwynedd
Llanberis

Caernarfon Castle – Lôn Eifion Cycleway loop from Llanberis

Routes
Bike touring routes & trails
United Kingdom
Wales
North Wales
Gwynedd
Llanberis

Caernarfon Castle – Lôn Eifion Cycleway loop from Llanberis

Hard

20

riders

Caernarfon Castle – Lôn Eifion Cycleway loop from Llanberis

05:48

94.3km

850m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 7, 2026

Tips

Cycling is not permitted along parts of this route

After 80.7 km for 91 m

After 81.3 km for 91 m

Waypoints

A

Start point

Bus stop

Get Directions

1.27 km

Ruins

Ruins

2

12.0 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 …

Tip by

3

15.3 km

Welsh Highland Railway Steam Locomotives and Station

Highlight (Segment) • Monument

Pretty little train station

Translated by Google •

Tip by

4

22.0 km

Lôn Eifion Cycleway

Highlight • Cycleway

The Lôn Las Menai & Lôn Eifion cycleway follows an old railway trail from Caernarfon to Bryncir. If you decide to ride the whole route, it's 16.6 miles (27 km).

Tip by

5

64.7 km

National Cycle Network Route 8

Highlight • Cycleway

6

81.0 km

View of Caernarfon Castle

Highlight • Viewpoint

Great views of Caernarfon castle

Translated by Google •

Tip by

7

82.3 km

Fishermen's Pier

Highlight • Structure

8

82.5 km

Victoria Dock Marina, Caernarfon

Highlight • Structure

Caernarfon's Victoria Dock was built in the 1800s to receive timber sailed over from Scandinavia. It wasn't busy for long though, as the arrival of the railway somewhat undermined its …

Tip by

9

92.1 km

Llanberis Tunnel

Highlight • Structure

Great bike path with a small section through the hill for a change!

Tip by

B

94.3 km

End point

Bus stop

Loading

Way Types & Surfaces

Way Types

43.1 km

24.5 km

20.7 km

4.40 km

1.02 km

693 m

Surfaces

81.2 km

10.6 km

886 m

855 m

574 m

249 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 (190 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Thursday 7 May

15°C

3°C

30 %

Additional weather tips

Max wind speed: 13.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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