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Lôn Eifion Cycleway – Caernarfon Castle loop from Caernarfon

Routes

Bike touring routes & trails

Lôn Eifion Cycleway – Caernarfon Castle loop from Caernarfon

Moderate

4.8

(11)

riders

Lôn Eifion Cycleway – Caernarfon Castle loop from Caernarfon

02:22

40.5km

240m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: May 10, 2026

Waypoints

Start point

Parking

Get Directions

9.97 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

13.0 km

View of Mount Foel

Highlight • Viewpoint

A beautiful cycle path through farmland with traditional stone fencing and a view over the rolling countyside and Mount Foel.

Tip by

15.9 km

National Cycle Network Route 8

Highlight • Cycleway

20.1 km

Bridge Over Afon Dwyryd

Highlight • River

Gravel path up a steep hill. Recommend pushing road bikes.

Tip by

24.9 km

Cows Along National Cycle Route 8

Highlight • Cycleway

35.4 km

Welsh Highland Railway Steam Locomotives and Station

Highlight (Segment) • Monument

Pretty little train station

Translated by Google •

Tip by

37.0 km

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 9.30am - 5pm (last admission at 4.30pm). Tickets costs £9.90 for adults. You can find out more information about events at the castle here: cadw.gov.wales/daysout/caernarfon-castle/?lang=en

Tip by

40.5 km

End point

Parking

Way Types & Surfaces

Way Types

38.7 km

1.38 km

392 m

< 100 m

Surfaces

38.0 km

2.32 km

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (150 m)

Lowest point (0 m)

Weather

Tuesday 12 May

13°C

7°C

66 %

Additional weather tips

Max wind speed: 31.0 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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Lôn Eifion Cycleway – Caernarfon Castle loop from Caernarfon

Lôn Eifion Cycleway

View of Mount Foel

National Cycle Network Route 8

Bridge Over Afon Dwyryd

Cows Along National Cycle Route 8

Welsh Highland Railway Steam Locomotives and Station

Bench on Lon Eifion

Caernarfon Castle

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