Llyn Efyrnwy / Lake Vyrnwy
2,700 ha
Plan your visit
🦅Birds🦉Wildlife🍂Seasonal
Public accessFree entryDogs welcome2,700 ha
Getting here
52.78003, -3.49851
Open directionsv
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
🌤️ Visiting this summer
- 🐦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
- £Free to visit — no entry charge
- 🐕Dogs welcome
🦅Bird watching
Very strong match
Birds — Pied Flycatcher, Siskin, Willow Tit +74 more · last seen 2025; Reservoir — wildfowl and wading birds
Free
Birds — Pied Flycatcher, Siskin, Willow Tit +74 more · last seen 2025; Reservoir — wildfowl and wading birds
Free
🍂Seasonal nature
Strong match
Plants — Rhododendron, Heather, Sitka Spruce +85 more · last seen 2025
Free
🦋Insect spotting
Strong match
Insects — Green-veined White, Larch Ladybird, Four-spotted Chaser +12 more · last seen 2025
Free
Dogs allowed with public access
Free
〰Waterside walks
Good match
Reservoir — waterside public access
Varies
Trails nearby
Within roughly 5 km4 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
1 signed route nearby
Route 12Cycling route▾
Named routeRef 12Regional cycle route
10 public paths nearby
Public paths
No named routes yet. Public paths are shown on the map.
Weather for this location
Next 14 daysNearby places
Useful places within 5 km
Wildlife to spot
6,126 records · National Biodiversity Network
Wildlife to spot
6,126 records · National Biodiversity NetworkRobin · Chaffinch · Pied Flycatcher · Blackbird · Siskin +42
- RobinErithacus rubecula
- ChaffinchFringilla coelebs
- Pied FlycatcherFicedula hypoleuca
- BlackbirdTurdus merula
- SiskinSpinus spinus
- Canada GooseBranta canadensis2024
- WrenTroglodytes troglodytes
- Mistle ThrushTurdus viscivorus
- Pied WagtailMotacilla alba yarrellii
- PheasantPhasianus colchicus
- WoodpigeonColumba palumbus
- Coal TitPeriparus ater
- RedstartPhoenicurus phoenicurus
- Great TitParus major
- Song ThrushTurdus philomelos
- House SparrowPasser domesticus
- Great Spotted WoodpeckerDendrocopos major2024
- Meadow PipitAnthus pratensis
- GoldcrestRegulus regulus
- NuthatchSitta europaea
- BlackcapSylvia atricapilla
- Grey WagtailMotacilla cinerea
- Willow WarblerPhylloscopus trochilus
- GoldfinchCarduelis carduelis
- ChiffchaffPhylloscopus collybita
- Blue TitCyanistes caeruleus
- DunnockPrunella modularis
- JayGarrulus glandarius
- Carrion CrowCorvus corone
- CormorantPhalacrocorax carbo
- OystercatcherHaematopus ostralegus2024
- BramblingFringilla montifringilla2024
- Wood WarblerPhylloscopus sibilatrix
- SwiftApus apus
- SkylarkAlauda arvensis
- SwallowHirundo rustica
- RavenCorvus corax
- WhinchatSaxicola rubetra
- Lesser RedpollAcanthis flammea cabaret
- CuckooCuculus canorus
- House MartinDelichon urbicum
- Spotted FlycatcherMuscicapa striata
- StonechatSaxicola rubicola
- Tree PipitAnthus trivialis
- Willow TitPoecile montanus2024
- MagpiePica pica2024
- GreenfinchChloris chloris2024
Pine Marten
🐝Insects4 species
springsummer
2025▾
Larch Ladybird · Four-spotted Chaser · Blue-tailed Damselfly · Red-tailed Bumblebee
- Larch LadybirdAphidecta obliterata
- Four-spotted ChaserLibellula quadrimaculata
- Blue-tailed DamselflyIschnura elegans2024
- Red-tailed BumblebeeBombus lapidarius2023
Sessile Grimmia · Yellow Thread-moss · Slender Mouse-tail Moss · Common Smoothcap · Rough-stalked Feather-moss +73
- Sessile GrimmiaSchistidium apocarpum
- Yellow Thread-mossPohlia lutescens
- Slender Mouse-tail MossIsothecium myosuroides
- Common SmoothcapAtrichum undulatum
- Rough-stalked Feather-mossBrachythecium rutabulum
- Cow-horn Bog-mossSphagnum auriculatum
- Shining Hookeria
Species observations from the last 10 years via NBN Atlas
Wildlife to spot
6,126 records · National Biodiversity NetworkRobin · Chaffinch · Pied Flycatcher · Blackbird · Siskin +42
- RobinErithacus rubecula
- ChaffinchFringilla coelebs
- Pied FlycatcherFicedula hypoleuca
- BlackbirdTurdus merula
- SiskinSpinus spinus
- Canada GooseBranta canadensis2024
- WrenTroglodytes troglodytes
- Mistle ThrushTurdus viscivorus
- Pied WagtailMotacilla alba yarrellii
- PheasantPhasianus colchicus
- WoodpigeonColumba palumbus
- Coal TitPeriparus ater
- RedstartPhoenicurus phoenicurus
- Great TitParus major
- Song ThrushTurdus philomelos
- House SparrowPasser domesticus
- Great Spotted WoodpeckerDendrocopos major2024
- Meadow PipitAnthus pratensis
- GoldcrestRegulus regulus
- NuthatchSitta europaea
- BlackcapSylvia atricapilla
- Grey WagtailMotacilla cinerea
- Willow WarblerPhylloscopus trochilus
- GoldfinchCarduelis carduelis
- ChiffchaffPhylloscopus collybita
- Blue TitCyanistes caeruleus
- DunnockPrunella modularis
- JayGarrulus glandarius
- Carrion CrowCorvus corone
- CormorantPhalacrocorax carbo
- OystercatcherHaematopus ostralegus2024
- BramblingFringilla montifringilla2024
- Wood WarblerPhylloscopus sibilatrix
- SwiftApus apus
- SkylarkAlauda arvensis
- SwallowHirundo rustica
- RavenCorvus corax
- WhinchatSaxicola rubetra
- Lesser RedpollAcanthis flammea cabaret
- CuckooCuculus canorus
- House MartinDelichon urbicum
- Spotted FlycatcherMuscicapa striata
- StonechatSaxicola rubicola
- Tree PipitAnthus trivialis
- Willow TitPoecile montanus2024
- MagpiePica pica2024
- GreenfinchChloris chloris2024
Pine Marten
🐝Insects4 species
springsummer
2025▾
Larch Ladybird · Four-spotted Chaser · Blue-tailed Damselfly · Red-tailed Bumblebee
- Larch LadybirdAphidecta obliterata
- Four-spotted ChaserLibellula quadrimaculata
- Blue-tailed DamselflyIschnura elegans2024
- Red-tailed BumblebeeBombus lapidarius2023
Sessile Grimmia · Yellow Thread-moss · Slender Mouse-tail Moss · Common Smoothcap · Rough-stalked Feather-moss +73
- Sessile GrimmiaSchistidium apocarpum
- Yellow Thread-mossPohlia lutescens
- Slender Mouse-tail MossIsothecium myosuroides
- Common SmoothcapAtrichum undulatum
- Rough-stalked Feather-mossBrachythecium rutabulum
- Cow-horn Bog-mossSphagnum auriculatum
- Shining Hookeria
Species observations from the last 10 years via NBN Atlas
Hookeria lucens
Hookeria lucens
Bank HaircapPolytrichum formosumBank HaircapPolytrichum formosumHeath Plait-mossHypnum jutlandicumHeath Plait-mossHypnum jutlandicumDwarf NeckeraNeckera pumilaDwarf NeckeraNeckera pumilaForked VeilwortMetzgeria furcataForked VeilwortMetzgeria furcataYellow Fringe-mossRacomitrium aciculareYellow Fringe-mossRacomitrium aciculareWry-leaved Tamarisk-mossHeterocladium heteropterumWry-leaved Tamarisk-mossHeterocladium heteropterumBlunt Feather-mossHomalia trichomanoidesBlunt Feather-mossHomalia trichomanoidesNeat Feather-mossPseudoscleropodium purumNeat Feather-mossPseudoscleropodium purumElegant Bristle-mossOrthotrichum pulchellumElegant Bristle-mossOrthotrichum pulchellumCommon HaircapPolytrichum commune s.l.Common HaircapPolytrichum commune s.l.Ulota crispa s.str.Ulota crispa s.str.Ulota crispa s.str.Ulota crispa s.str.Lesser FeatherwortPlagiochila porelloides var. porelloidesLesser FeatherwortPlagiochila porelloides var. porelloidesSmaller Lattice-mossCinclidotus fontinaloidesSmaller Lattice-mossCinclidotus fontinaloidesEven ScalewortRadula complanataEven ScalewortRadula complanataAloe HaircapPogonatum aloidesAloe HaircapPogonatum aloidesSpringy Turf-mossRhytidiadelphus squarrosusSpringy Turf-mossRhytidiadelphus squarrosusWaved Silk-mossPlagiothecium undulatumWaved Silk-mossPlagiothecium undulatumBroom Fork-mossDicranum scopariumBroom Fork-mossDicranum scopariumCapillary Thread-mossBryum capillareCapillary Thread-mossBryum capillareGreen Yoke-mossZygodon viridissimusGreen Yoke-mossZygodon viridissimusPointed Spear-mossCalliergonella cuspidataPointed Spear-mossCalliergonella cuspidataAlpine HaircapPolytrichastrum alpinumAlpine HaircapPolytrichastrum alpinumFissidens bryoides var. bryoidesFissidens bryoides var. bryoidesFissidens bryoides var. bryoidesFissidens bryoides var. bryoidesGreater FeatherwortPlagiochila asplenioidesGreater FeatherwortPlagiochila asplenioidesWestern PouncewortLejeunea lamacerinaWestern PouncewortLejeunea lamacerinaFlagellate Feather-mossHyocomium armoricumFlagellate Feather-mossHyocomium armoricumNarrow-fruited Crisp-mossChionoloma tenuirostreNarrow-fruited Crisp-mossChionoloma tenuirostreWood Bristle-mossLewinskya affinisWood Bristle-mossLewinskya affinisMaidenhair Pocket-mossFissidens adianthoidesMaidenhair Pocket-mossFissidens adianthoidesCurnow's Pocket-mossFissidens bryoides var. caespitansCurnow's Pocket-mossFissidens bryoides var. caespitansWhiskered VeilwortMetzgeria consanguineaWhiskered VeilwortMetzgeria consanguineaBruch's PincushionUlota bruchiiBruch's PincushionUlota bruchiiLittle Shaggy-mossRhytidiadelphus loreusLittle Shaggy-mossRhytidiadelphus loreusCreeping FingerwortLepidozia reptansCreeping FingerwortLepidozia reptansMamillate Plait-mossHypnum andoiMamillate Plait-mossHypnum andoiFrizzled PincushionPlenogemma phyllanthaFrizzled PincushionPlenogemma phyllanthaThickpoint GrimmiaSchistidium crassipilumThickpoint GrimmiaSchistidium crassipilumBlueish VeilwortMetzgeria violaceaBlueish VeilwortMetzgeria violaceaTwo-horned PincerwortCephalozia bicuspidataTwo-horned PincerwortCephalozia bicuspidataRusty Swan-neck MossCampylopus flexuosusRusty Swan-neck MossCampylopus flexuosusSickle-leaved Hook-mossSanionia uncinataSickle-leaved Hook-mossSanionia uncinataRed Beard-mossBryoerythrophyllum recurvirostrumRed Beard-mossBryoerythrophyllum recurvirostrumOverleaf PelliaPellia epiphyllaOverleaf PelliaPellia epiphyllaDilated ScalewortFrullania dilatataDilated ScalewortFrullania dilatataFlat NeckeraNeckera complanataFlat NeckeraNeckera complanataMarsh BryumBryum pseudotriquetrumMarsh BryumBryum pseudotriquetrumSilky Wall Feather-mossHomalothecium sericeumSilky Wall Feather-mossHomalothecium sericeumClaw Brook-mossHygrohypnella ochraceaClaw Brook-mossHygrohypnella ochraceaElegant Silk-mossPseudotaxiphyllum elegansElegant Silk-mossPseudotaxiphyllum elegansSilky Forklet-mossDicranella heteromallaSilky Forklet-mossDicranella heteromallaSwan's-neck Thyme-mossMnium hornumSwan's-neck Thyme-mossMnium hornumTree-mossClimacium dendroidesTree-mossClimacium dendroidesDotted Thyme-mossRhizomnium punctatumDotted Thyme-mossRhizomnium punctatumHart's-tongue Thyme-mossPlagiomnium undulatumHart's-tongue Thyme-mossPlagiomnium undulatumMougeot's Yoke-mossAmphidium mougeotiiMougeot's Yoke-mossAmphidium mougeotiiCommon Tamarisk-mossThuidium tamariscinumCommon Tamarisk-mossThuidium tamariscinumSt Winifrid's Other MossChiloscyphus pallescensSt Winifrid's Other MossChiloscyphus pallescensWood-rustCephalozia curvifoliaWood-rustCephalozia curvifoliaFox-tail Feather-mossThamnobryum alopecurumFox-tail Feather-mossThamnobryum alopecurumRedshankCeratodon purpureusRedshankCeratodon purpureusJuicy Silk-mossPlagiothecium succulentumJuicy Silk-mossPlagiothecium succulentumTransparent Fork-mossDichodontium pellucidumTransparent Fork-mossDichodontium pellucidumCommon Feather-mossKindbergia praelongaCommon Feather-mossKindbergia praelongaLateral CryphaeaCryphaea heteromallaLateral CryphaeaCryphaea heteromallaWater EarwortScapania undulataWater EarwortScapania undulataGreater Water-mossFontinalis antipyreticaGreater Water-mossFontinalis antipyreticaPerthshire Beard-mossDidymodon rigidulusPerthshire Beard-mossDidymodon rigidulusWhite EarwortDiplophyllum albicansWhite EarwortDiplophyllum albicansShaw's Bristle-mossLewinskya striataShaw's Bristle-mossLewinskya striataRiver Feather-mossBrachythecium rivulareRiver Feather-mossBrachythecium rivulareRusty Feather-mossSciuro-hypnum plumosumRusty Feather-mossSciuro-hypnum plumosumEvents & activities nearby
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