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

Caernarfon Castle – Lôn Eifion Cycleway loop from Porthmadog

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

Caernarfon Castle – Lôn Eifion Cycleway loop from Porthmadog

Hard

4.9

(7)

87

riders

Caernarfon Castle – Lôn Eifion Cycleway loop from Porthmadog

04:38

75.7km

660m

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: February 16, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

A

Start point

Train Station

Get Directions

1

2.52 km

Penmorfa Forest Path

Highlight • Trail

A nice section of forest path in amongst gorgeous woodland. It gets a tad narrow in places but a very nice bike section.

Tip by

2

15.9 km

National Cycle Network Route 8

Highlight • Cycleway

3

18.9 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

4

28.7 km

Bench on Lon Eifion

Highlight • Rest Area

5

32.0 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

6

35.3 km

Welsh Highland Railway Steam Locomotives and Station

Highlight (Segment) • Monument

Pretty little train station

Translated by Google •

Tip by

7

42.0 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

8

61.6 km

David Lloyd George Memorial Site

Highlight • Historical Site

David Lloyd George was an influential British politician and Prime Minister of the UK from 1916 - 1922. Following his death in 1945, he was buried at the David Lloyd …

Tip by

B

75.7 km

End point

Train Station

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Way Types & Surfaces

Way Types

39.5 km

30.4 km

3.59 km

1.76 km

398 m

< 100 m

< 100 m

Surfaces

66.3 km

6.51 km

1.99 km

897 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 (150 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Wednesday 6 May

14°C

7°C

-- %

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Max wind speed: -- km/h

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

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