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Caer Williamsburg

Plan your visit

BirdsWildlifeHeritage

Dogs welcome

Getting here

53.07079, -4.29985

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Visiting this summer

Seasonal nature notes and what to look for now

🐦104+ species recorded in this area — summer evenings are best for activity; watch for Blue Tit and Goldfinch
✦Historic character is a year-round quality here — summer brings its own atmosphere to the setting
🐕Dogs welcome — bring water in summer; the site has enough space to find shade on hot days

🌤️ Visiting this summer

🐦104+ species recorded in this area — summer evenings are best for activity; watch for Blue Tit and Goldfinch
✦Historic character is a year-round quality here — summer brings its own atmosphere to the setting
🐕Dogs welcome — bring water in summer; the site has enough space to find shade on hot days

Good to know

🐕Dogs welcome

Best for

6 activities

Bird watching

Very strong match

Birds — Blue Tit, Goldfinch, Chaffinch +101 more · last seen 2025; Birds — Blue Tit, Goldfinch, Chaffinch +101 more · last seen 2025

Free

Wildlife

Very strong match

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

Free

Heritage

Strong match

Historic site

Free

Insect spotting

Good match

Insects — Eristalis pertinax, Southern Hawker, Common Hawker +16 more · last seen 2025; Insects — Eristalis pertinax, Southern Hawker, Common Hawker +16 more · last seen 2025

Free

Seasonal nature

Good match

Plants — Common Bird's-foot-trefoil, Ribwort Plantain, Conocephalum conicum +10 more · last seen 2024; Plants — Common Bird's-foot-trefoil, Ribwort Plantain, Conocephalum conicum +10 more · last seen 2024

Free

Foraging

Good match

Plants — Conocephalum conicum, Meadowsweet, Common Sorrel +2 more foraging species

Varies

Trails nearby

Within roughly 5 km

🚶

Walking

2 signed routes nearby

Signed route nearby

Llŷn Coastal PathWalking route

Named routeRegional walking route

Snowdonia Slate TrailWalking route

Named routeRegional walking route

🚴

Cycling

23 signed routes nearby

Signed route nearby

Lôn GwyrfaiCycling route

Named routeRef 61Regional cycle route

EuroVelo 2 - Capitals Route - part United Kingdom 1Cycling route

Named routeRef EV2International cycle route

Lôn Las Cymru (North)Cycling route

Named routeRef 8National Cycle Network

Lôn EifionCycling route

Named route

N/ACycling route92 m

Named routeRef 61Length 92 mNational Cycle NetworkTraffic-freeSurface asphalt

N/ACycling route350 m

Named routeRef 61Length 350 mNational Cycle NetworkTraffic-freeSurface asphalt

Wildlife to spot

13,849 records · National Biodiversity Network

Wildlife to spot

13,849 records · National Biodiversity Network

🐦

Birds75 species

winterspringsummerautumn

2025

Chough · Mediterranean Gull · Wigeon · Herring Gull · Peregrine +70

ChoughPyrrhocorax pyrrhocorax
Mediterranean GullIchthyaetus melanocephalus
WigeonMareca penelope
Herring GullLarus argentatus
PeregrineFalco peregrinus
OystercatcherHaematopus ostralegus
Carrion CrowCorvus corone
RobinErithacus rubecula
House SparrowPasser domesticus
RookCorvus frugilegus
Little EgretEgretta garzetta
StarlingSturnus vulgaris
Black-headed GullChroicocephalus ridibundus
Collared DoveStreptopelia decaocto
Red-breasted MerganserMergus serrator
WoodpigeonColumba palumbus
RedshankTringa totanus
GreenfinchChloris chloris
Light-bellied Brent GooseBranta bernicla hrota
ChaffinchFringilla coelebs
Grey HeronArdea cinerea
CurlewNumenius arquata
BlackbirdTurdus merula
Song ThrushTurdus philomelos
GoldfinchCarduelis carduelis
WrenTroglodytes troglodytes
Blue TitCyanistes caeruleus
DunnockPrunella modularis
Common ScoterMelanitta nigra
Great Black-backed GullLarus marinus
Red-throated DiverGavia stellata
MagpiePica pica
BlackcapSylvia atricapilla
Mistle ThrushTurdus viscivorus
SiskinSpinus spinus
House MartinDelichon urbicum
SwallowHirundo rustica
Pied WagtailMotacilla alba
Grey WagtailMotacilla cinerea
NuthatchSitta europaea
ChiffchaffPhylloscopus collybita
GoldcrestRegulus regulus
SwiftApus apus
Long-tailed TitAegithalos caudatus
PintailAnas acuta
Canada GooseBranta canadensis
LapwingVanellus vanellus
TurnstoneArenaria interpres
ShelduckTadorna tadorna
ShagGulosus aristotelis
Common GullLarus canus
Great Northern DiverGavia immer
Common GuillemotUria aalge
GannetMorus bassanus
TealAnas crecca
GreenshankTringa nebularia
EiderSomateria mollissima
CormorantPhalacrocorax carbo
Meadow PipitAnthus pratensis
Mute SwanCygnus olor
MallardAnas platyrhynchos
Turtle DoveStreptopelia turtur
JayGarrulus glandarius
Stock DoveColumba oenas
Great Spotted WoodpeckerDendrocopos major
Coal TitPeriparus ater
Great TitParus major
Willow WarblerPhylloscopus trochilus
DipperCinclus cinclus
MerlinFalco columbarius
RavenCorvus corax
Greylag GooseAnser anser
Snow GooseAnser caerulescens
Great Crested GrebePodiceps cristatus
Golden PloverPluvialis apricaria

🐝

Insects6 species

springsummer

2025

Southern Hawker · Common Hawker · Eristalis nemorum · Eumerus · Eristalis horticola +1

Southern HawkerAeshna cyanea
Common HawkerAeshna juncea
Eristalis nemorumEristalis nemorum
EumerusEumerus
Eristalis horticolaEristalis horticola
Riponnensia splendensRiponnensia splendens

Species observations from the last 10 years via NBN Atlas

Wildlife to spot

13,849 records · National Biodiversity Network

🐦

Birds75 species

winterspringsummerautumn

2025

Chough · Mediterranean Gull · Wigeon · Herring Gull · Peregrine +70

ChoughPyrrhocorax pyrrhocorax
Mediterranean GullIchthyaetus melanocephalus
WigeonMareca penelope
Herring GullLarus argentatus
PeregrineFalco peregrinus
OystercatcherHaematopus ostralegus
Carrion CrowCorvus corone
RobinErithacus rubecula
House SparrowPasser domesticus
RookCorvus frugilegus
Little EgretEgretta garzetta
StarlingSturnus vulgaris
Black-headed GullChroicocephalus ridibundus
Collared DoveStreptopelia decaocto
Red-breasted MerganserMergus serrator
WoodpigeonColumba palumbus
RedshankTringa totanus
GreenfinchChloris chloris
Light-bellied Brent GooseBranta bernicla hrota
ChaffinchFringilla coelebs
Grey HeronArdea cinerea
CurlewNumenius arquata
BlackbirdTurdus merula
Song ThrushTurdus philomelos
GoldfinchCarduelis carduelis
WrenTroglodytes troglodytes
Blue TitCyanistes caeruleus
DunnockPrunella modularis
Common ScoterMelanitta nigra
Great Black-backed GullLarus marinus
Red-throated DiverGavia stellata
MagpiePica pica
BlackcapSylvia atricapilla
Mistle ThrushTurdus viscivorus
SiskinSpinus spinus
House MartinDelichon urbicum
SwallowHirundo rustica
Pied WagtailMotacilla alba
Grey WagtailMotacilla cinerea
NuthatchSitta europaea
ChiffchaffPhylloscopus collybita
GoldcrestRegulus regulus
SwiftApus apus
Long-tailed TitAegithalos caudatus
PintailAnas acuta
Canada GooseBranta canadensis
LapwingVanellus vanellus
TurnstoneArenaria interpres
ShelduckTadorna tadorna
ShagGulosus aristotelis
Common GullLarus canus
Great Northern DiverGavia immer
Common GuillemotUria aalge
GannetMorus bassanus
TealAnas crecca
GreenshankTringa nebularia
EiderSomateria mollissima
CormorantPhalacrocorax carbo
Meadow PipitAnthus pratensis
Mute SwanCygnus olor
MallardAnas platyrhynchos
Turtle DoveStreptopelia turtur
JayGarrulus glandarius
Stock DoveColumba oenas
Great Spotted WoodpeckerDendrocopos major
Coal TitPeriparus ater
Great TitParus major
Willow WarblerPhylloscopus trochilus
DipperCinclus cinclus
MerlinFalco columbarius
RavenCorvus corax
Greylag GooseAnser anser
Snow GooseAnser caerulescens
Great Crested GrebePodiceps cristatus
Golden PloverPluvialis apricaria

🐝

Insects6 species

springsummer

2025

Southern Hawker · Common Hawker · Eristalis nemorum · Eumerus · Eristalis horticola +1

Southern HawkerAeshna cyanea
Common HawkerAeshna juncea
Eristalis nemorumEristalis nemorum
EumerusEumerus
Eristalis horticolaEristalis horticola
Riponnensia splendensRiponnensia splendens

Species observations from the last 10 years via NBN Atlas

Wildlife to spot

Photos

📷 Eric Jones · Geograph · CC BY-SA 2.0

Entrance to Caer Williamsburg Fort at Glynllifon

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Nearby places

Useful places within 5 km

🌱Glynllifon Country ParkUrban park100 m→🏞️GlynlllifonCountry park400 m→✦Dinas Dinlle HillfortHistoric site2.6 km→🦉Y FORYDNature reserve4.9 km→🌱Walled Kitchen GardenUrban park600 m→🌱Glynllifon Country ParkUrban park400 m→

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