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Caernarfon Castle – Lôn Eifion Cycleway loop from Nebo

Routes

Bike touring routes & trails

Caernarfon Castle – Lôn Eifion Cycleway loop from Nebo

Moderate

4.9

(8)

riders

Caernarfon Castle – Lôn Eifion Cycleway loop from Nebo

02:30

39.3km

410m

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: February 27, 2026

Tips

Cycling is not permitted along parts of this route

After 23.3 km for 102 m

After 23.9 km for 102 m

Waypoints

Start point

Parking

Get Directions

11.2 km

Y Banc Café, Penygroes

Highlight • Cafe

Great coffee at this newly opened cafe at Pernygroes. Cycle friendly with outdoors seating. Open Mon-Sat 9-3.

Tip by

19.4 km

Bench on Lon Eifion

Highlight • Rest Area

22.1 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 …

Tip by

23.7 km

View of Caernarfon Castle

Highlight • Viewpoint

Great views of Caernarfon castle

Translated by Google •

Tip by

24.1 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

27.4 km

Welsh Highland Railway Steam Locomotives and Station

Highlight (Segment) • Monument

Pretty little train station

Translated by Google •

Tip by

34.1 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

39.3 km

End point

Parking

Way Types & Surfaces

Way Types

21.2 km

14.8 km

1.62 km

1.51 km

240 m

Surfaces

26.8 km

11.7 km

659 m

162 m

< 100 m

Elevation

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

Weather

Tuesday 26 May

28°C

14°C

54 %

Additional weather tips

Max wind speed: 19.0 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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Caernarfon Castle – Lôn Eifion Cycleway loop from Nebo

Y Banc Café, Penygroes

Bench on Lon Eifion

Segontium Roman Fort

View of Caernarfon Castle

Caernarfon Castle

Welsh Highland Railway Steam Locomotives and Station

Lôn Eifion Cycleway

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