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Llyn Hafon-y-llyn

6 ha

📷 David Medcalf · Geograph · CC BY-SA 2.0

WildlifeBirdsSeasonal
Free entryDogs welcome6 ha

Getting here

52.95231, -4.01800

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Visiting this summer

Seasonal nature notes and what to look for now

  • 🌞Midsummer — dragonfly and damselfly activity peaks along water edges
  • 🐕Dogs welcome — bring water in summer; the site has enough space to find shade on hot days

Good to know

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

Best for

4 activities

Wildlife

Multi-group wildlife — Amphibians, Birds, Mammals, Reptiles; Multi-group wildlife — Amphibians, Birds, Mammals, Reptiles

Free

Bird watching

Birds — Robin, Chaffinch, Wren +67 more · last seen 2025; Birds — Robin, Chaffinch, Wren +67 more · last seen 2025

Free

Seasonal nature

Plants — Bank Haircap, Common Tamarisk-moss, Rhododendron +42 more · last seen 2025; Plants — Bank Haircap, Common Tamarisk-moss, Rhododendron +42 more · last seen 2025

Free

Insect spotting

Insects — Black Darter, Bibio lanigerus, Azure Damselfly +32 more · last seen 2025; Insects — Black Darter, Bibio lanigerus, Azure Damselfly +32 more · last seen 2025

Free

Trails nearby

Within roughly 5 km
🚶

Walking

7 signed routes nearby · 7 public paths nearby

Signed route nearbyPublic paths
Taith Ardudwy WayWalking route
Named routeLocal walking route
Snowdonia Slate TrailWalking route
Named routeRegional walking route
Aberglaslyn, Llyn Dinas and Cwm Bychan walk, EifionyddWalking route9.1 km

Take in Aberglaslyn gorge with the Glaslyn river raging alongside the path. Pass Bedd y Ci (the grave of Prince Llywelyn's faithful hound), Beddgelert village, the placid waters of Llyn Dinas & the old copper mine workings of Sygun and Cwm Bychan.

Named routeLength 9.1 kmDuration 04:00-05:00Round tripLocal walking route
Wales Coast Path (Meirionnydd)Walking route
Named routeRef WCPRegional walking route
Cambrian WayWalking route
Named routeNational walking route
🚴

Cycling

48 signed routes nearby

Signed route nearby
EuroVelo 2 - Capitals Route - part United Kingdom 1Cycling route
Named routeRef EV2International cycle route
Lôn Las Cymru (North)Cycling route
Named routeRef 8National Cycle Network
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
National Cycle Network National Route 82Cycling route
Named routeRef 82National Cycle Network
Lôn Las Cymru (Central)Cycling route
Named routeRef 8National Cycle Network
Main RouteCycling route708 m
Named routeRef 82Length 708 mNational Cycle NetworkOn-roadSurface asphalt

Wildlife to spot

Photos

Llyn Hafod-y-llyn reservoir, taken from the dam

📷 David Medcalf · Geograph · CC BY-SA 2.0

Llyn Hafod-y-llyn reservoir, taken from the dam

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Nearby places

Useful places within 5 km

⛪Holy Trinity ChurchReligious grounds4.2 km→🌱FronheulogUrban park2.9 km→⛪St Twrog's ChurchReligious grounds2 km→✦Hut CircleHistoric site4.3 km→💧Llyn Ystradau - Tanygrisiau ReserviorReservoir4.5 km→💧Llyn Ystradau - Tanygrisiau ReserviorReservoir4.5 km→

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Visitor access unverified.We don't yet have confirmed information about walking routes or public access at this reservoir. If you've visited, please help us improve this page.

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