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Blaen-y-Cwm Reservoir

33 ha

📷 Alan Hughes · Geograph · CC BY-SA 2.0

Plan your visit

BirdsWildlifeInsects

Free entryDogs welcome33 ha

Getting here

51.81052, -3.19848

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Visiting this summer

Seasonal nature notes and what to look for now

🐦64+ species recorded in this area — summer evenings are best for activity; watch for Herring Gull and Mallard
🐕Dogs welcome — bring water in summer; the site has enough space to find shade on hot days

🌤️ Visiting this summer

🐦64+ species recorded in this area — summer evenings are best for activity; watch for Herring Gull and Mallard
🐕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

Bird watching

Very strong match

Birds — Herring Gull, Mallard, Jackdaw +61 more · last seen 2025; Birds — Herring Gull, Mallard, Jackdaw +61 more · last seen 2025

Free

Wildlife

Very strong match

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

Free

Insect spotting

Good match

Insects — Common Blue Damselfly, Black-tailed Skimmer, Four-spotted Chaser +6 more · last seen 2025; Insects — Common Blue Damselfly, Black-tailed Skimmer, Four-spotted Chaser +6 more · last seen 2025

Free

Seasonal nature

Good match

Plants — Ramsons, Montbretia, Japanese Knotweed · last seen 2026; Plants — Ramsons, Montbretia, Japanese Knotweed · last seen 2026

Free

Trails nearby

Within roughly 5 km

🚶

Walking

1 signed route nearby

Signed route nearby

Cambrian WayWalking route

Named routeNational walking route

🚴

Cycling

111 signed routes nearby

Signed route nearby

Route 46Cycling route

Named routeRef 46National Cycle Network

Cycle across the BeaconsCycling route

Named routeRegional cycle route

Route 492Cycling route

Named routeRef 492National Cycle Network

National Cycle Network Route 467Cycling route

Named routeRef 467National Cycle Network

National Cycle Network Route 465Cycling route

Named routeRef 465National Cycle Network

National Cycle Network 466Cycling route

Named routeRef 466National Cycle Network

Wildlife to spot

37,369 records · National Biodiversity Network

Wildlife to spot

37,369 records · National Biodiversity Network

🐦

Birds33 species

winter

2025

Jackdaw · Mallard · Tufted Duck · Blackbird · Herring Gull +28

JackdawColoeus monedula
MallardAnas platyrhynchos
Tufted DuckAythya fuligula
BlackbirdTurdus merula
Herring GullLarus argentatus
CootFulica atra
RobinErithacus rubecula
Mute SwanCygnus olor
MagpiePica pica
DunnockPrunella modularis
GoosanderMergus merganser
GoldfinchCarduelis carduelis
House SparrowPasser domesticus
ChaffinchFringilla coelebs
StarlingSturnus vulgaris
Blue TitCyanistes caeruleus
WrenTroglodytes troglodytes
Carrion CrowCorvus corone
Canada GooseBranta canadensis
CormorantPhalacrocorax carbo
MoorhenGallinula chloropus
BullfinchPyrrhula pyrrhula
Great TitParus major
WoodpigeonColumba palumbus
Lesser Black-backed GullLarus fuscus
RavenCorvus corax
Song ThrushTurdus philomelos
Long-tailed TitAegithalos caudatus
Grey HeronArdea cinerea
RedwingTurdus iliacus
Grey WagtailMotacilla cinerea
Coal TitPeriparus ater
Great Black-backed GullLarus marinus

🐸

Amphibians1 species

spring

2026

Common Toad

Common ToadBufo bufo

🌿

Plants1 species

spring

2026

Ramsons

RamsonsAllium ursinum

Species observations from the last 10 years via NBN Atlas

Wildlife to spot

37,369 records · National Biodiversity Network

🐦

Birds33 species

winter

2025

Jackdaw · Mallard · Tufted Duck · Blackbird · Herring Gull +28

JackdawColoeus monedula
MallardAnas platyrhynchos
Tufted DuckAythya fuligula
BlackbirdTurdus merula
Herring GullLarus argentatus
CootFulica atra
RobinErithacus rubecula
Mute SwanCygnus olor
MagpiePica pica
DunnockPrunella modularis
GoosanderMergus merganser
GoldfinchCarduelis carduelis
House SparrowPasser domesticus
ChaffinchFringilla coelebs
StarlingSturnus vulgaris
Blue TitCyanistes caeruleus
WrenTroglodytes troglodytes
Carrion CrowCorvus corone
Canada GooseBranta canadensis
CormorantPhalacrocorax carbo
MoorhenGallinula chloropus
BullfinchPyrrhula pyrrhula
Great TitParus major
WoodpigeonColumba palumbus
Lesser Black-backed GullLarus fuscus
RavenCorvus corax
Song ThrushTurdus philomelos
Long-tailed TitAegithalos caudatus
Grey HeronArdea cinerea
RedwingTurdus iliacus
Grey WagtailMotacilla cinerea
Coal TitPeriparus ater
Great Black-backed GullLarus marinus

🐸

Amphibians1 species

spring

2026

Common Toad

Common ToadBufo bufo

🌿

Plants1 species

spring

2026

Ramsons

RamsonsAllium ursinum

Species observations from the last 10 years via NBN Atlas

Wildlife to spot

Photos

📷 Alan Hughes · Geograph · CC BY-SA 2.0

Garnlydan Reservoir

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Nearby places

Useful places within 5 km

🦉PARC NANT-Y-WAUNNature reserve1.7 km→🦉BEAUFORT HILLS POND AND WOODLANDNature reserve900 m→🦉SIRHOWY HILL WOODLANDS AND CARDIFF PONDNature reserve3.9 km→🌱Central ParkUrban park4.8 km→🌱Welfare ParkUrban park2 km→🌱Welfare ParkUrban park2 km→

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