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.
Photos
Awyrlun o Lyn Efyrnwy (Llyn Llanwddyn) - Aerial Image of Llyn Efyrnwy (lake Vyrnwy) in Novemebr 2022 02
Weather for this location
Next 14 daysNearby places
Useful places within 5 km
Events & activities nearby
Switch provider to compare local events, tours and bookable activities.
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 plumosum