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Bike touring routes & trails

Llyn Cwellyn – Llanberis Tunnel loop from Llanberis

Routes

Bike touring routes & trails

Llyn Cwellyn – Llanberis Tunnel loop from Llanberis

Moderate

1.0

(1)

riders

Llyn Cwellyn – Llanberis Tunnel loop from Llanberis

02:01

32.5km

310m

Cycling

Moderate bike ride. 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 28, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Bus stop

Get Directions

5.11 km

Llys Derwen Caravan and Camping Site

Highlight • Rest Area

Enjoy the adventure of a lifetime in wonderful North Wales. Book your holiday at Llys Derwen our friendly Caravan, Touring Park and Campsite near Llanberis in Snowdonia. We are close to The Royal Town of Caernarfon and the university City of Bangor. This area has been described as “Heaven on Earth”Located near the foothills of Snowdon, our park is the perfect place for holidays and short breaks in the idyllic Welsh countryside.

Tip by

8.43 km

The Mirror

Highlight • Lake

13.0 km

Coed Tanygarreg

Forest

15.8 km

Cat Crossing

Highlight • Viewpoint

15.9 km

Snowdon Ranger Hostel

Highlight • Mountain Hut

Hiking hostel at the foot of the mountain named after the 'the Snowdon Ranger' who lived there.

Tip by

16.5 km

Llyn Cwellyn

Highlight (Segment) • Natural Monument

Llyn Cwellyn is a reservoir in North Wales which supplies drinking water to parts of Gwynedd and Anglesey. It lies on the Afon Gwyrfai in Nant y Betws between Moel Eilio and Mynydd Mawr in the northern part of Snowdonia National Park. It has an area of 215 acres, and is over 120 ft deep.
It has amazing views well worth a stop.

Tip by

19.2 km

Coed Plas-y-nant

Forest

24.2 km

Trash Cat Mirror

Highlight • Structure

30.6 km

Llanberis Tunnel

Highlight • Structure

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

Tip by

32.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

15.1 km

9.83 km

6.08 km

1.15 km

297 m

< 100 m

Surfaces

29.7 km

2.27 km

363 m

221 m

Elevation

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

Highest point (200 m)

Lowest point (100 m)

Weather

Saturday 22 August

19°C

4°C

4 %

Additional weather tips

Max wind speed: 13.0 km/h

to get more detailed weather forecasts along your route

Comments

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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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Llyn Cwellyn – Llanberis Tunnel loop from Llanberis

Llys Derwen Caravan and Camping Site

The Mirror

Cat Crossing

Snowdon Ranger Hostel

Llyn Cwellyn

Trash Cat Mirror

Llanberis Tunnel

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