Yondo

Cwm Idwal

Up into a glacial bowl under the Glyderau, round its lake and back.

Distance
4.8 km loop
Time
3 hours
Grade
moderate
Without a car
Yes

The way home

Buses from Ogwen

Monday 9 November to Saturday 14 NovemberLast 6 of 12:
14:36, 15:25, 16:36, 17:25, 18:36, 19:25 (T10 to )
Sunday 15 November08:36, 11:25, 12:36, 15:25, 16:36, 19:25 (T10 to )

From the national timetables, read Sunday 8 November: bus times from the Bus Open Data Service, train times from Network Rail. Contains public sector information licensed under the Open Government Licence v3.0. Timetables change, so check with the operator before you rely on one.

When to set off

DateSunsetStart byBack by
15 December15:5812:2515:25
15 March18:1814:4517:45
15 June21:4318:1021:10
15 September19:3416:0019:00

From the route’s slowest published time (3 hours) and the sunset at the start, with half an hour of daylight spare.

Getting there

  • TrawsCymru T10 between Bangor and Corwen, to the Ogwen stop

Start: Ogwen visitor centre. See it on a map.

Before you go

  • Rough mountain paths with steep sections
  • Toilets at the visitor centre

The route

Checked by hand against the official route. Route source: National Trust. For the step-by-step directions, see the official route page.

More walks in Eryri (Snowdonia)