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Mountain biking trails

Telegraph Valley (Maesgwm) – Llyn Cwellyn loop from Betws Garmon

Routes

Mountain biking trails

Telegraph Valley (Maesgwm) – Llyn Cwellyn loop from Betws Garmon

Moderate

4.5

(6)

riders

Telegraph Valley (Maesgwm) – Llyn Cwellyn loop from Betws Garmon

01:46

19.5km

500m

Mountain biking

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

Last updated: May 14, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Parking

Get Directions

11.4 km

Telegraph Valley (Maesgwm)

Highlight (Segment) • Trail

Maesgwm is also known as Telegraph Valley. The trail is gravel and well-made, brilliant to ride and much quieter than the main Llanberis path. It makes a great loop from Llanberis, using a section of the Ranger.

Rideable in both directions.

Tip by

16.0 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

16.6 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

19.5 km

End point

Parking

Way Types & Surfaces

Way Types

7.62 km

3.81 km

3.49 km

3.39 km

1.19 km

Surfaces

8.53 km

4.31 km

4.02 km

2.59 km

< 100 m

Elevation

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

Highest point (460 m)

Lowest point (120 m)

Weather

Monday 18 May

12°C

8°C

-- %

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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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Telegraph Valley (Maesgwm) – Llyn Cwellyn loop from Betws Garmon

Telegraph Valley (Maesgwm)

Snowdon Ranger Hostel

Llyn Cwellyn

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