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Caer Williamsburg

Plan your visit

BirdsWildlifeHeritage
Dogs welcome

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

Good to know

  • 🐕Dogs welcome

Best for

6 activities

Bird watching

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

Free

Wildlife

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

Free

Heritage

Historic site

Free

Insect spotting

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

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

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

Photos

Entrance to Caer Williamsburg Fort at Glynllifon

Entrance to Caer Williamsburg Fort at Glynllifon

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