Plan your visit
🦉 Wildlife🦅 Birds🍄 Fungi
Free entry Dogs welcome 187 ha
Places › Wales › North Wales › Gwynedd Getting here
53.11378, -4.10452
Open directionsv Visiting this summer
Seasonal nature notes and what to look for now
▾ ☀️ June — long evenings and clear skies; one of the most rewarding months for a late visit 🍄 Mushroom foraging is at its best in summer here 🐕 Dogs welcome — bring water in summer; the site has enough space to find shade on hot days 🌤️ Visiting this summer
☀️ June — long evenings and clear skies; one of the most rewarding months for a late visit 🍄 Mushroom foraging is at its best in summer here 🐕 Dogs welcome — bring water in summer; the site has enough space to find shade on hot days £ Free to visit — no entry charge🐕 Dogs welcome🦉 Wildlife
Very strong match
Multi-group wildlife — Birds, Mammals, Reptiles; Multi-group wildlife — Birds, Mammals, Reptiles
Free
🦅 Bird watching
Very strong match
Birds — Jackdaw, Mallard, Robin +67 more · last seen 2026; Birds — Jackdaw, Mallard, Robin +67 more · last seen 2026
Free
🍄 Mushroom foraging
Strong match
Fungi — Snowy Waxcap, Hare'sfoot Inkcap, Bracken Map +26 more · last seen 2024; Fungi — Snowy Waxcap, Hare'sfoot Inkcap, Bracken Map +26 more · last seen 2024
Varies
🍂 Seasonal nature
Strong match
Plants — Slender Fringe-moss, Green Mountain Fringe-moss, Frizzled Crisp-moss +169 more · last seen 2026; Plants — Slender Fringe-moss, Green Mountain Fringe-moss, Frizzled Crisp-moss +169 more · last seen 2026
Free
🦋 Insect spotting
Strong match
Insects — Anabolia nervosa, Gorse Weevil, Valenzuela flavidus +26 more · last seen 2026; Insects — Anabolia nervosa, Gorse Weevil, Valenzuela flavidus +26 more · last seen 2026
Free
Plants — Common Threadwort, Two-horned Pincerwort, Wood-rust +2 more foraging species
Varies
Trails nearby Within roughly 5 km 9 signed routes nearby · 2 public paths nearby
Signed route nearby Public paths
Welsh Three Thousands Walking route ▾
Named route Local walking route
Show on map Llanberis Path Walking route ▾
Named route Local walking route
Show on map Snowdon Ranger Path Walking route ▾
Named route Local walking route
Show on map Snowdonia Slate Trail Walking route ▾
Named route Regional walking route
Show on map Miners' Track Walking route ▾
Named route Local walking route
Show on map 5 signed routes nearby
Signed route nearby
Lôn Las Peris Cycling route ▾
Named route Local cycle route
Show on map National Cycle Network National Route 82 Cycling route ▾
Named route Ref 82 National Cycle Network
Show on map Main Route Cycling route 1.2 km ▾
Named route Ref 82 Length 1.2 km National Cycle Network On-road Surface asphalt
Show on map Main Route Cycling route 3.1 km ▾
Named route Ref 82 Length 3.1 km National Cycle Network On-road Surface asphalt
Show on map Main Route Cycling route 1.3 km ▾
Named route Ref 82 Length 1.3 km National Cycle Network Traffic-free Surface unsealedloose
Show on map
Weather for this location Next 14 days Nearby places Useful places within 5 km
All Historic
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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id: 46b5f8ed-83de-4e69-a601-58155180de4b
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© 2026 Glade · Made with care for UK green spaces
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Bookable tours Wildlife to spot
6,414 records · National Biodiversity Network
▾
Wildlife to spot 6,414 records · National Biodiversity Network 🐦 Birds 37 species
spring summer autumn
2026 ▾
Jackdaw · Mallard · Woodpigeon · Tufted Duck · Blackbird +32
Jackdaw Coloeus monedula Mallard Anas platyrhynchos Woodpigeon Columba palumbus Tufted Duck Aythya fuligula2025 Blackbird Turdus merula Wren Troglodytes troglodytes2025 Mute Swan Cygnus olor Black Swan Cygnus atratus2025 Black-headed Gull Chroicocephalus ridibundus2025 Grey Wagtail Motacilla cinerea2025 Collared Dove Streptopelia decaocto Blue Tit Cyanistes caeruleus2025 Meadow Pipit Anthus pratensis2025 Chaffinch Fringilla coelebs2025 Robin Erithacus rubecula2025 Grey Heron Ardea cinerea2025 Swallow Hirundo rustica2025 Carrion Crow Corvus corone2025 Pied Wagtail Motacilla alba2025 Cuckoo Cuculus canorus2025 Great Spotted Woodpecker Dendrocopos major2025 Goldfinch Carduelis carduelis2025 Nuthatch Sitta europaea2025 Magpie Pica pica2025 Raven Corvus corax2025 Wheatear Oenanthe oenanthe2025 Herring Gull Larus argentatus2025 Green Woodpecker Picus viridis2025 Dipper Cinclus cinclus2025 Jay Garrulus glandarius2025 Ring Ouzel Turdus torquatus2025 Great Tit Parus major2025 Chiffchaff Phylloscopus collybita2025 Stonechat Saxicola rubicola2025 House Sparrow Passer domesticus2025 Grasshopper Warbler Locustella naevia2025 Yellowhammer Emberiza citrinella2025 🦌 Mammals 2 species
spring autumn
2025 ▾
Feral Goat · Pine Marten
Feral Goat Capra hircus Pine Marten Martes martes 🦎 Reptiles 2 species
spring summer
2025 ▾
Slow-worm · Common Lizard
Slow-worm Anguis fragilis Common Lizard Zootoca vivipara 🐝 Insects 11 species
spring summer
2026 ▾
Gorse Weevil · Valenzuela flavidus · Pterostichus nigrita · Eristalis tenax · Volucella pellucens +6
Gorse Weevil Exapion ulicis Valenzuela flavidus Valenzuela flavidus2025 Pterostichus nigrita Pterostichus nigrita2025 Eristalis tenax Eristalis tenax2025 Volucella pellucens Volucella pellucens2025 Western Earwort · Taylor's Flapwort · Mougeot's Yoke-moss · Bristly Swan-neck Moss · Prickly Featherwort +53
Western Earwort Scapania gracilis Taylor's Flapwort Mylia taylorii Mougeot's Yoke-moss Amphidium mougeotii Bristly Swan-neck Moss Campylopus atrovirens Prickly Featherwort Plagiochila spinulosa Ladder Flapwort Nardia scalaris Leucobryum glaucum Species observations from the last 10 years via NBN Atlas
Wildlife to spot 6,414 records · National Biodiversity Network 🐦 Birds 37 species
spring summer autumn
2026 ▾
Jackdaw · Mallard · Woodpigeon · Tufted Duck · Blackbird +32
Jackdaw Coloeus monedula Mallard Anas platyrhynchos Woodpigeon Columba palumbus Tufted Duck Aythya fuligula2025 Blackbird Turdus merula Wren Troglodytes troglodytes2025 Mute Swan Cygnus olor Black Swan Cygnus atratus2025 Black-headed Gull Chroicocephalus ridibundus2025 Grey Wagtail Motacilla cinerea2025 Collared Dove Streptopelia decaocto Blue Tit Cyanistes caeruleus2025 Meadow Pipit Anthus pratensis2025 Chaffinch Fringilla coelebs2025 Robin Erithacus rubecula2025 Grey Heron Ardea cinerea2025 Swallow Hirundo rustica2025 Carrion Crow Corvus corone2025 Pied Wagtail Motacilla alba2025 Cuckoo Cuculus canorus2025 Great Spotted Woodpecker Dendrocopos major2025 Goldfinch Carduelis carduelis2025 Nuthatch Sitta europaea2025 Magpie Pica pica2025 Raven Corvus corax2025 Wheatear Oenanthe oenanthe2025 Herring Gull Larus argentatus2025 Green Woodpecker Picus viridis2025 Dipper Cinclus cinclus2025 Jay Garrulus glandarius2025 Ring Ouzel Turdus torquatus2025 Great Tit Parus major2025 Chiffchaff Phylloscopus collybita2025 Stonechat Saxicola rubicola2025 House Sparrow Passer domesticus2025 Grasshopper Warbler Locustella naevia2025 Yellowhammer Emberiza citrinella2025 🦌 Mammals 2 species
spring autumn
2025 ▾
Feral Goat · Pine Marten
Feral Goat Capra hircus Pine Marten Martes martes 🦎 Reptiles 2 species
spring summer
2025 ▾
Slow-worm · Common Lizard
Slow-worm Anguis fragilis Common Lizard Zootoca vivipara 🐝 Insects 11 species
spring summer
2026 ▾
Gorse Weevil · Valenzuela flavidus · Pterostichus nigrita · Eristalis tenax · Volucella pellucens +6
Gorse Weevil Exapion ulicis Valenzuela flavidus Valenzuela flavidus2025 Pterostichus nigrita Pterostichus nigrita2025 Eristalis tenax Eristalis tenax2025 Volucella pellucens Volucella pellucens2025 Western Earwort · Taylor's Flapwort · Mougeot's Yoke-moss · Bristly Swan-neck Moss · Prickly Featherwort +53
Western Earwort Scapania gracilis Taylor's Flapwort Mylia taylorii Mougeot's Yoke-moss Amphidium mougeotii Bristly Swan-neck Moss Campylopus atrovirens Prickly Featherwort Plagiochila spinulosa Ladder Flapwort Nardia scalaris Leucobryum glaucum Species observations from the last 10 years via NBN Atlas
Batman Hoverfly
Batman Hoverfly
Myathropa florea2025
Myathropa florea2025
Syrphus Syrphus2025
Syrphus Syrphus2025
Orchid Beetle Dascillus cervinus2025
Orchid Beetle Dascillus cervinus2025
Bembidion atrocaeruleum Bembidion atrocaeruleum2025
Bembidion atrocaeruleum Bembidion atrocaeruleum2025
Macrosaldula scotica Macrosaldula scotica2025
Macrosaldula scotica Macrosaldula scotica2025
Melanostoma scalare Melanostoma scalare2025
Melanostoma scalare Melanostoma scalare2025 Leucobryum glaucum
Leucobryum glaucum
Tamarisk Scalewort Frullania tamarisci
Tamarisk Scalewort Frullania tamarisci
Greater Whipwort Bazzania trilobata
Greater Whipwort Bazzania trilobata
Slender Fringe-moss Racomitrium sudeticum
Slender Fringe-moss Racomitrium sudeticum
Juniper Prongwort Herbertus hutchinsiae
Juniper Prongwort Herbertus hutchinsiae
Green Mountain Fringe-moss Racomitrium fasciculare
Green Mountain Fringe-moss Racomitrium fasciculare
Lustrous Bog-moss Sphagnum subnitens
Lustrous Bog-moss Sphagnum subnitens
Leucobryum albidum Leucobryum albidum2025
Leucobryum albidum Leucobryum albidum2025
Straggling Pouchwort Saccogyna viticulosa
Straggling Pouchwort Saccogyna viticulosa
Crenulated Flapwort Solenostoma gracillimum
Crenulated Flapwort Solenostoma gracillimum
Tumid Notchwort Lophozia ventricosa
Tumid Notchwort Lophozia ventricosa
Notched Pouchwort Calypogeia arguta
Notched Pouchwort Calypogeia arguta
Black Rock-moss Andreaea rupestris
Black Rock-moss Andreaea rupestris
Overleaf Pellia Pellia epiphylla
Overleaf Pellia Pellia epiphylla
Soft Bog-moss Sphagnum tenellum
Soft Bog-moss Sphagnum tenellum
Chalk Comb-moss Ctenidium molluscum
Chalk Comb-moss Ctenidium molluscum
Nodding Thread-moss Pohlia nutans2025
Nodding Thread-moss Pohlia nutans2025
Narrow-leaved Fringe-moss Racomitrium aquaticum
Narrow-leaved Fringe-moss Racomitrium aquaticum
Lesser Featherwort Plagiochila porelloides var. porelloides
Lesser Featherwort Plagiochila porelloides var. porelloides
Heath Plait-moss Hypnum jutlandicum
Heath Plait-moss Hypnum jutlandicum
Red-stemmed Feather-moss Pleurozium schreberi
Red-stemmed Feather-moss Pleurozium schreberi
Rock Pocket-moss Fissidens dubius
Rock Pocket-moss Fissidens dubius
Five-ranked Bog-moss Sphagnum quinquefarium
Five-ranked Bog-moss Sphagnum quinquefarium
Notched Rustwort Marsupella emarginata
Notched Rustwort Marsupella emarginata
River Feather-moss Brachythecium rivulare
River Feather-moss Brachythecium rivulare
Rusty Swan-neck Moss Campylopus flexuosus
Rusty Swan-neck Moss Campylopus flexuosus
Creeping Fingerwort Lepidozia reptans
Creeping Fingerwort Lepidozia reptans
Streblotrichum convolutum var. commutatum Streblotrichum convolutum var. commutatum
Streblotrichum convolutum var. commutatum Streblotrichum convolutum var. commutatum
Marsh Bryum Bryum pseudotriquetrum
Marsh Bryum Bryum pseudotriquetrum
Fountain Apple-moss Philonotis fontana
Fountain Apple-moss Philonotis fontana
Common Pawwort Orthocaulis floerkei
Common Pawwort Orthocaulis floerkei
Little Shaggy-moss Rhytidiadelphus loreus
Little Shaggy-moss Rhytidiadelphus loreus
Lesser Notchwort Isopaches bicrenatus
Lesser Notchwort Isopaches bicrenatus
Greater Fork-moss Dicranum majus
Greater Fork-moss Dicranum majus
Golden-head Moss Breutelia chrysocoma
Golden-head Moss Breutelia chrysocoma
Nut-moss Diphyscium foliosum
Nut-moss Diphyscium foliosum
Common Pouchwort Calypogeia fissa
Common Pouchwort Calypogeia fissa
Narrow-fruited Crisp-moss Chionoloma tenuirostre
Narrow-fruited Crisp-moss Chionoloma tenuirostre
Elegant Silk-moss Pseudotaxiphyllum elegans
Elegant Silk-moss Pseudotaxiphyllum elegans
Claw Brook-moss Hygrohypnella ochracea
Claw Brook-moss Hygrohypnella ochracea
Wood-rust Cephalozia curvifolia
Wood-rust Cephalozia curvifolia
Alpine Thread-moss Bryum alpinum2025
Alpine Thread-moss Bryum alpinum2025
Curve-leaved Ditrichum Ditrichum heteromallum2025
Curve-leaved Ditrichum Ditrichum heteromallum2025
Compact Bog-moss Sphagnum compactum2025
Compact Bog-moss Sphagnum compactum2025
Frizzled Crisp-moss Tortella tortuosa2025
Frizzled Crisp-moss Tortella tortuosa2025
Long-beaked Water Feather-moss Rhynchostegium riparioides2025
Long-beaked Water Feather-moss Rhynchostegium riparioides2025
Hercynian Haircap Oligotrichum hercynicum2025
Hercynian Haircap Oligotrichum hercynicum2025
Lesser Copperwort Cephaloziella massalongoi2025
Lesser Copperwort Cephaloziella massalongoi2025
Juicy Silk-moss Plagiothecium succulentum2025
Juicy Silk-moss Plagiothecium succulentum2025
Lindberg's Plait-moss Calliergonella lindbergii2025
Lindberg's Plait-moss Calliergonella lindbergii2025
Fern-leaved Hook-moss Cratoneuron filicinum2025
Fern-leaved Hook-moss Cratoneuron filicinum2025
Redshank Ceratodon purpureus2025
Redshank Ceratodon purpureus2025 