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Llyn Trawsfynydd

1,258 ha

Plan your visit

BirdsWildlifeInsects
Public accessFree entryDogs welcome1,258 ha

Visiting this summer

Seasonal nature notes and what to look for now

  • 🐦78+ species recorded in this area — summer evenings are best for activity; watch for Mallard and Herring Gull
  • 🐕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 — Mallard, Herring Gull, Tufted Duck +75 more · last seen 2025; Reservoir — wildfowl and wading birds

Free

Wildlife

Birds — Mallard, Herring Gull, Tufted Duck +75 more · last seen 2025; Reservoir — wildfowl and wading birds

Free

Insect spotting

Insects — Tanytarsus part 3, Endochironomus albipennis, Procladius (Holotanypus) Pe4 +25 more · last seen 2024

Free

Seasonal nature

Plants — Prickly Featherwort, Autumn Flapwort, Zygodon conoideus var. conoideus +166 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

3 signed routes nearby · 11 public paths nearby

Signed route nearbyPublic paths
Taith Ardudwy WayWalking route
Named routeLocal walking route
Snowdonia Slate TrailWalking route
Named routeRegional walking route
Cambrian WayWalking route
Named routeNational walking route
🚴

Cycling

37 signed routes nearby

Signed route nearby
Llwybr Llyn Traws (Trawsfynydd Lake Cycle Route)Cycling route13.6 km

A fantastic cycling experience around stunning Llyn Trawsfynydd

Named routeLength 13.6 kmRound tripLocal cycle route
Regional Route 13Cycling route
Named routeRef 13Regional cycle route
National Cycle Network National Route 82Cycling route
Named routeRef 82National Cycle Network
Main RouteCycling route708 m
Named routeRef 82Length 708 mNational Cycle NetworkOn-roadSurface asphalt
Main RouteCycling route325 m
Named routeRef 82Length 325 mNational Cycle NetworkOn-roadSurface asphalt
Main RouteCycling route301 m
Named routeRef 82Length 301 mNational Cycle NetworkTraffic-freeSurface unsealedfirm
🐴

Horse riding

5 public paths nearby

Public paths

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

Wildlife to spot

Photos

Hazardous rocks on Llyn Trawsfynydd

Hazardous rocks on Llyn Trawsfynydd

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