Plan your visit
🦉 Wildlife🦅 Birds🦋 Insects
Public access Free entry Dogs welcome 846 ha
Places › Wales › North Wales › Gwynedd Getting here
52.94899, -3.69911
Open directionsv Visiting this summer
Seasonal nature notes and what to look for now
▾ 🌞 Midsummer — dragonfly and damselfly activity peaks along water edges 🐕 Early mornings are best for dog walks in summer — visit before 9am to avoid the heat and find quieter trails 🅿️ Parking on site — 16 car parks within reach 🌤️ Visiting this summer
🌞 Midsummer — dragonfly and damselfly activity peaks along water edges 🐕 Early mornings are best for dog walks in summer — visit before 9am to avoid the heat and find quieter trails 🅿️ Parking on site — 16 car parks within reach £ Free to visit — no entry charge🐕 Dogs welcome🦉 Wildlife
Very strong match
Multi-group wildlife — Amphibians, Birds; Multi-group wildlife — Amphibians, Birds
Free
🦅 Bird watching
Very strong match
Birds — Canada Goose, Meadow Pipit, Carrion Crow +63 more · last seen 2025; Birds — Canada Goose, Meadow Pipit, Carrion Crow +63 more · last seen 2025
Free
🦋 Insect spotting
Strong match
Insects — Non-biting midges, Hydropsyche siltalai, Limnius volckmari +98 more · last seen 2025; Insects — Non-biting midges, Hydropsyche siltalai, Limnius volckmari +98 more · last seen 2025
Free
Dogs allowed with public access
Free
🍂 Seasonal nature
Good match
Plants — Fingered Cowlwort, Compressed Flapwort, Bramble +7 more · last seen 2022; Plants — Fingered Cowlwort, Compressed Flapwort, Bramble +7 more · last seen 2022
Free
〰 Waterside walks
Good match
Reservoir — waterside public access
Varies
Trails nearby Within roughly 5 km 1 signed route nearby · 4 public paths nearby
Signed route nearby Public paths
The Tryweryn Trail Walking route ▾
1 signed route nearby
Signed route nearby
Regional Route 15 Cycling route ▾
Named route Ref 15 Regional cycle route
Show on map 7 public paths nearby
Public paths
No named routes yet. Public paths are shown on the map.
Photos On the southern shore of Llyn Celyn
‹ ›
Weather for this location Next 14 days Nearby places Useful places within 5 km
Own or manage this place?
Claim this listing to keep details accurate, add photos, and highlight what makes it special — free.
Claim this page→ How useful was the information on this page?
id: 59caa5e6-c97e-4c39-b069-0314f78c8caf
UK green spaces mapped from open public data — so anyone can find the woodland, trail, or nature reserve closest to them.
© 2026 Glade · Made with care for UK green spaces
Events & activities nearby Switch provider to compare local events, tours and bookable activities.
Bookable tours GetYourGuide Promote here
Wildlife to spot
3,344 records · National Biodiversity Network
▾
Wildlife to spot 3,344 records · National Biodiversity Network 🐦 Birds 37 species
spring summer
2025 ▾
Carrion Crow · Meadow Pipit · Skylark · Stonechat · Wren +32
Carrion Crow Corvus corone Meadow Pipit Anthus pratensis Skylark Alauda arvensis Stonechat Saxicola rubicola Wren Troglodytes troglodytes Canada Goose Branta canadensis Raven Corvus corax Pied Wagtail Motacilla alba yarrellii Great Crested Grebe Podiceps cristatus Goosander Mergus merganser Herring Gull Larus argentatus Willow Warbler Phylloscopus trochilus Woodcock Scolopax rusticola Swallow Hirundo rustica Woodpigeon Columba palumbus Wheatear Oenanthe oenanthe Whinchat Saxicola rubetra Mallard Anas platyrhynchos Lesser Black-backed Gull Larus fuscus Chiffchaff Phylloscopus collybita Ring Ouzel Turdus torquatus Linnet Linaria cannabina Common Sandpiper Actitis hypoleucos Cuckoo Cuculus canorus Blackbird Turdus merula Tree Pipit Anthus trivialis Blackcap Sylvia atricapilla House Martin Delichon urbicum Goldfinch Carduelis carduelis Grasshopper Warbler Locustella naevia Kestrel Falco tinnunculus Curlew Numenius arquata Greenfinch Chloris chloris Chaffinch Fringilla coelebs Robin Erithacus rubecula Redwing Turdus iliacus2024 Fieldfare Turdus pilaris2024 🐝 Insects 60 species
spring summer
2025 ▾
Protonemura meyeri · Plectrocnemia conspersa · Micropsectra · Eukiefferiella · Psectrocladius +55
Protonemura meyeri Protonemura meyeri Plectrocnemia conspersa Plectrocnemia conspersa Micropsectra Micropsectra Eukiefferiella Eukiefferiella Psectrocladius Psectrocladius Chironomus Chironomus Species observations from the last 10 years via NBN Atlas
Wildlife to spot 3,344 records · National Biodiversity Network 🐦 Birds 37 species
spring summer
2025 ▾
Carrion Crow · Meadow Pipit · Skylark · Stonechat · Wren +32
Carrion Crow Corvus corone Meadow Pipit Anthus pratensis Skylark Alauda arvensis Stonechat Saxicola rubicola Wren Troglodytes troglodytes Canada Goose Branta canadensis Raven Corvus corax Pied Wagtail Motacilla alba yarrellii Great Crested Grebe Podiceps cristatus Goosander Mergus merganser Herring Gull Larus argentatus Willow Warbler Phylloscopus trochilus Woodcock Scolopax rusticola Swallow Hirundo rustica Woodpigeon Columba palumbus Wheatear Oenanthe oenanthe Whinchat Saxicola rubetra Mallard Anas platyrhynchos Lesser Black-backed Gull Larus fuscus Chiffchaff Phylloscopus collybita Ring Ouzel Turdus torquatus Linnet Linaria cannabina Common Sandpiper Actitis hypoleucos Cuckoo Cuculus canorus Blackbird Turdus merula Tree Pipit Anthus trivialis Blackcap Sylvia atricapilla House Martin Delichon urbicum Goldfinch Carduelis carduelis Grasshopper Warbler Locustella naevia Kestrel Falco tinnunculus Curlew Numenius arquata Greenfinch Chloris chloris Chaffinch Fringilla coelebs Robin Erithacus rubecula Redwing Turdus iliacus2024 Fieldfare Turdus pilaris2024 🐝 Insects 60 species
spring summer
2025 ▾
Protonemura meyeri · Plectrocnemia conspersa · Micropsectra · Eukiefferiella · Psectrocladius +55
Protonemura meyeri Protonemura meyeri Plectrocnemia conspersa Plectrocnemia conspersa Micropsectra Micropsectra Eukiefferiella Eukiefferiella Psectrocladius Psectrocladius Chironomus Chironomus Species observations from the last 10 years via NBN Atlas
Orthocladius
Orthocladius
Orthocladius
Orthocladius
Limnius volckmari Limnius volckmari
Limnius volckmari Limnius volckmari
Non-biting midges Chironomidae
Non-biting midges Chironomidae
Baetis rhodani/atlanticus Baetis rhodani/atlanticus2024
Baetis rhodani/atlanticus Baetis rhodani/atlanticus2024
Stempellina bausei Stempellina bausei
Stempellina bausei Stempellina bausei
Brillia bifida Brillia bifida
Brillia bifida Brillia bifida
Tanytarsus part 2 Tanytarsus part 2
Tanytarsus part 2 Tanytarsus part 2
Procladius (Holotanypus) Pe4 Procladius (Holotanypus) Pe4
Procladius (Holotanypus) Pe4 Procladius (Holotanypus) Pe4
Tanytarsus part 1 Tanytarsus part 1
Tanytarsus part 1 Tanytarsus part 1
Procladius crassinervis Procladius crassinervis
Procladius crassinervis Procladius crassinervis
Paratendipes Paratendipes
Paratendipes Paratendipes
Ablabesmyia monilis Ablabesmyia monilis
Ablabesmyia monilis Ablabesmyia monilis
Stictochironomus Stictochironomus
Stictochironomus Stictochironomus
Polypedilum Polypedilum
Polypedilum Polypedilum
Tanytarsus part 3 Tanytarsus part 3
Tanytarsus part 3 Tanytarsus part 3
Podabrus alpinus Podabrus alpinus
Podabrus alpinus Podabrus alpinus
Heterotrissocladius Heterotrissocladius
Heterotrissocladius Heterotrissocladius
Tvetenia Tvetenia
Tvetenia Tvetenia
Corynoneura arctica group Corynoneura arctica group
Corynoneura arctica group Corynoneura arctica group
Stempellinella brevis Stempellinella brevis
Stempellinella brevis Stempellinella brevis
Cricotopus rufiventris Cricotopus rufiventris
Cricotopus rufiventris Cricotopus rufiventris
Heterotanytarsus apicalis Heterotanytarsus apicalis
Heterotanytarsus apicalis Heterotanytarsus apicalis
Limnophyes Limnophyes
Limnophyes Limnophyes
Nanocladius Nanocladius
Nanocladius Nanocladius
Potthastia gaedii Potthastia gaedii
Potthastia gaedii Potthastia gaedii
Thienemanniella Thienemanniella
Thienemanniella Thienemanniella
Synorthocladius semivirens Synorthocladius semivirens
Synorthocladius semivirens Synorthocladius semivirens
Bryophaenocladius Bryophaenocladius
Bryophaenocladius Bryophaenocladius
Orthocladius frigidus Orthocladius frigidus
Orthocladius frigidus Orthocladius frigidus
Cricotopus (Cricotopus) other Cricotopus (Cricotopus) other
Cricotopus (Cricotopus) other Cricotopus (Cricotopus) other
Amphinemura sulcicollis Amphinemura sulcicollis
Amphinemura sulcicollis Amphinemura sulcicollis
Hydropsyche siltalai Hydropsyche siltalai
Hydropsyche siltalai Hydropsyche siltalai
Polycentropus flavomaculatus Polycentropus flavomaculatus
Polycentropus flavomaculatus Polycentropus flavomaculatus
Rhithrogena semicolorata Rhithrogena semicolorata
Rhithrogena semicolorata Rhithrogena semicolorata
Limnephilidae Limnephilidae
Limnephilidae Limnephilidae
Simulium Simulium
Simulium Simulium
Isoperla grammatica Isoperla grammatica
Isoperla grammatica Isoperla grammatica
Perlodes mortoni Perlodes mortoni
Perlodes mortoni Perlodes mortoni
Ecdyonurus venosus Ecdyonurus venosus
Ecdyonurus venosus Ecdyonurus venosus
Dicranota Dicranota
Dicranota Dicranota
Siphonoperla torrentium Siphonoperla torrentium
Siphonoperla torrentium Siphonoperla torrentium
Drusus annulatus Drusus annulatus
Drusus annulatus Drusus annulatus
Elmis aenea Elmis aenea
Elmis aenea Elmis aenea
Iron Blue Mayfly Baetis muticus
Iron Blue Mayfly Baetis muticus
Hesperocorixa sahlbergi Hesperocorixa sahlbergi
Hesperocorixa sahlbergi Hesperocorixa sahlbergi
Limoniidae Limoniidae
Limoniidae Limoniidae
Rhyacophila dorsalis Rhyacophila dorsalis
Rhyacophila dorsalis Rhyacophila dorsalis
Sericostoma personatum Sericostoma personatum
Sericostoma personatum Sericostoma personatum
Leuctra hippopus Leuctra hippopus
Leuctra hippopus Leuctra hippopus
Leptophlebiidae Leptophlebiidae
Leptophlebiidae Leptophlebiidae
Hydraena gracilis Hydraena gracilis
Hydraena gracilis Hydraena gracilis
Leptophlebia Leptophlebia2024
Leptophlebia Leptophlebia2024
Leuctra fusca Leuctra fusca2024
Leuctra fusca Leuctra fusca2024
Hairy Whirligig Beetle Orectochilus villosus2024
Hairy Whirligig Beetle Orectochilus villosus2024