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Llyn Efyrnwy / Lake Vyrnwy

2,700 ha

Plan your visit

BirdsWildlifeSeasonal
Public accessFree entryDogs welcome2,700 ha

Visiting this summer

Seasonal nature notes and what to look for now

  • 🐦77+ species recorded in this area — summer evenings are best for activity; watch for Pied Flycatcher and Siskin
  • 🐕Early mornings are best for dog walks in summer — visit before 9am to avoid the heat and find quieter trails
  • 📍Open access throughout summer — no booking required

Good to know

  • £Free to visit — no entry charge
  • 🐕Dogs welcome

Best for

7 activities

Bird watching

Birds — Pied Flycatcher, Siskin, Willow Tit +74 more · last seen 2025; Reservoir — wildfowl and wading birds

Free

Wildlife

Birds — Pied Flycatcher, Siskin, Willow Tit +74 more · last seen 2025; Reservoir — wildfowl and wading birds

Free

Seasonal nature

Plants — Rhododendron, Heather, Sitka Spruce +85 more · last seen 2025

Free

Insect spotting

Insects — Green-veined White, Larch Ladybird, Four-spotted Chaser +12 more · last seen 2025

Free

Dog walks

Dogs allowed with public access

Free

Waterside walks

Reservoir — waterside public access

Varies

Trails nearby

Within roughly 5 km
🚶

Walking

4 signed routes nearby

Signed route nearby
Glyndŵr's WayWalking route
Named routeListed length 217kmNational walking route
Cwm BachWalking route
Named routeLocal walking route
Glasfryn Marathon DriveWalking route
Named routeLocal walking route
Cerrig Ya HelfaWalking route
Named routeLocal walking route
🚴

Cycling

1 signed route nearby

Route 12Cycling route
Named routeRef 12Regional cycle route
🐴

Horse riding

10 public paths nearby

Public paths

No named routes yet. Public paths are shown on the map.

Wildlife to spot

Photos

Awyrlun o Lyn Efyrnwy (Llyn Llanwddyn) - Aerial Image of Llyn Efyrnwy (lake Vyrnwy) in Novemebr 2022 02

Awyrlun o Lyn Efyrnwy (Llyn Llanwddyn) - Aerial Image of Llyn Efyrnwy (lake Vyrnwy) in Novemebr 2022 02

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