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Lake:Llyn Geirionnydd at Llyn Geirionnydd (NRW)

Lake, free entry

LL27 0JZ



Getting to Llyn Geirionnydd is not particularly easy, but this has not stopped the lake being the only one designated in Snowdonia to permit power boats and water skiing. Many visitors also walk to the lake from the village of Trefriw (it is on one of the Trefriw Trail routes) or from the neighbouring Llyn Crafnant (start at the Natural Resources Wales car park), the two lakes being separated by Mynydd Deulyn – “mountain of the two lakes”.

Llyn Geirionnydd has a car park (including accessible toilets, summer only) and is very popular in summer.

It is difficult to imagine that this was a derelict industrial landscape in the 1870s. In fact, the car park lies on a waste tip near an old lead mine entrance. From here you can walk around the lake or if you are feeling fit, over to Llyn Crafnant and its great views, where you can opt to walk around that lake.

Children welcomeMobility Accessibility FacilitiesDogs accepted

Open all the time


Free entry


LL27 0JZ


Plan route to Llyn Geirionnydd (NRW) using Google mapsPlan route using Google maps

Map reference: SH 760603  Lat: 53.12553 Long: -3.85329

You can reach the lake by car from Trefriw or Gwydyr Castle, Llanrwst (follow signs for Geirionnydd), the narrow lane passing through the hamlet of Llanrhychwyn, or from the wiggley single-track road through Gwydyr Forest from the Ugly House (Ty Hyll) or Pont y Pair in Betws y Coed on the A5 to Capel Curig. OS Grid Reference: SH 763 603

Parking: free

Accessible by Public Transport: 6 miles from Llanrwst station


  • Children welcomeChildren welcome
  • Mobility Accessibility FacilitiesMobility Accessibility Facilities
  • Dogs acceptedDogs accepted