Cambria Sports Culture CIC Cymraeg

All walksEryri: Yr Wyddfa and Llanberis

Eryri: Yr Wyddfa and Llanberis

Llyn Cwellyn

A level lakeside track under Mynydd Mawr, with Snowdon’s western flank across the water and the forest behind.

Distance
2.8 mi / 4.5 km
Time
1 hr 35
Ascent
60 m
Difficulty
Easy
Shape
There and back

Where it is

The circle shows the general area, not the exact start. Use the directions link below to get to the car park itself. Contours and paths shown are OpenTopoMap, drawn from OpenStreetMap data.

The route

A track runs along the western shore from the car park. Level and easy, with the option of climbing into the forest.

Worth knowing

  • Llyn Cwellyn supplies water to Caernarfon and swimming is not permitted.
  • The Snowdon Ranger path starts at the far end of the lake.
  • One of the few genuinely flat walks in this part of Eryri.

What you’ll see

The lake, Mynydd Mawr’s crags above, and Snowdon’s western slopes across the water.

Background

The Snowdon Ranger path is named after a guide who advertised his services from the inn at the lake in the 1830s.