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Castell Collen Roman Fort

4 ha

Plan your visit

BirdsWildlifeInsects
Dogs welcome4 ha

Visiting this summer

Seasonal nature notes and what to look for now

  • 🐦56+ species recorded in this area — summer evenings are best for activity; watch for Blackbird and Swift
  • 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
Parking

Best for

6 activities

Bird watching

Birds — Blackbird, Swift, Woodpigeon +53 more · last seen 2025

Free

Wildlife

Mammals — Hedgehog, Grey Squirrel, Badger +11 more · last seen 2026

Free

Insect spotting

Insects — Small Tortoiseshell, Peacock, Painted Lady +91 more · last seen 2025

Free

Seasonal nature

Plants — Holly, Common Nettle, Alder +55 more · last seen 2026

Free

Heritage

Historic site

Free

Historic gardens

Historic site

Varies

Trails nearby

Within roughly 5 km
🚶

Walking

2 signed routes nearby

Signed route nearby
Wye Valley WalkWalking route218 km
Named routeRef WVWLength 218 kmRegional walking route
Heart of Wales Line TrailWalking route
Named routeRegional walking route
🚴

Cycling

19 signed routes nearby

Signed route nearby
Radnor RingCycling route
Named routeRef 825National Cycle Network
EuroVelo 2 - Capitals Route - part United Kingdom 2Cycling route
Named routeRef EV2International cycle route
Lôn Las Cymru (Central)Cycling route
Named routeRef 8National Cycle Network
Main RouteCycling route3.1 km
Named routeRef 8Length 3.1 kmNational Cycle NetworkTraffic-freeSurface unsealedloose
Main RouteCycling route5.2 km
Named routeRef 825Length 5.2 kmNational Cycle NetworkOn-roadSurface asphalt
Main RouteCycling route406 m
Named routeRef 8Length 406 mNational Cycle NetworkOn-roadSurface asphalt

Wildlife to spot

Photos

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