Castell Collen Roman Fort
4 ha
Plan your visit
🦅Birds🦉Wildlife🦋Insects
Dogs welcome4 ha
Getting here
52.25593, -3.38420
Open directionsv
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
🌤️ Visiting this summer
- 🐦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
🦅Bird watching
Very strong match
Birds — Blackbird, Swift, Woodpigeon +53 more · last seen 2025
Free
Mammals — Hedgehog, Grey Squirrel, Badger +11 more · last seen 2026
Free
🦋Insect spotting
Strong match
Insects — Small Tortoiseshell, Peacock, Painted Lady +91 more · last seen 2025
Free
🍂Seasonal nature
Strong match
Plants — Holly, Common Nettle, Alder +55 more · last seen 2026
Free
🏡Historic gardens
Moderate match
Historic site
Varies
Trails nearby
Within roughly 5 km2 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
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
Photos
Castell Collen Roman Fort
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
2,452 records · National Biodiversity Network
Wildlife to spot
2,452 records · National Biodiversity Network🐦Birds34 species
winterspringsummer
2025▾
Swift · Woodpigeon · Goldfinch · Blackbird · Wren +29
- SwiftApus apus
- WoodpigeonColumba palumbus2024
- GoldfinchCarduelis carduelis2024
- BlackbirdTurdus merula2024
- WrenTroglodytes troglodytes2024
- SwallowHirundo rustica2023
- Mute SwanCygnus olor2023
- BullfinchPyrrhula pyrrhula2024
- Long-tailed TitAegithalos caudatus2024
- BlackcapSylvia atricapilla2024
- ChaffinchFringilla coelebs2024
- House SparrowPasser domesticus2024
- Great TitParus major2023
- Canada GooseBranta canadensis2023
- GoldcrestRegulus regulus2023
- JayGarrulus glandarius2023
- TreecreeperCerthia familiaris2023
- Grey HeronArdea cinerea2023
- Spotted FlycatcherMuscicapa striata2024
- GreenfinchChloris chloris2024
- Green WoodpeckerPicus viridis2024
- MagpiePica pica2023
- JackdawColoeus monedula2023
- House MartinDelichon urbicum2023
- Collared DoveStreptopelia decaocto2023
- NuthatchSitta europaea2023
- Mistle ThrushTurdus viscivorus2023
- CormorantPhalacrocorax carbo2023
- SiskinSpinus spinus2023
- Tufted DuckAythya fuligula2023
- Marsh TitPoecile palustris2023
- RedwingTurdus iliacus2023
- StarlingSturnus vulgaris2023
- Great Spotted WoodpeckerDendrocopos major2023
🦌Mammals7 species
winterspringsummer
2026▾
Badger · Grey Squirrel · Mole · Brown Hare · Red Fox +2
- BadgerMeles meles
- Grey SquirrelSciurus carolinensis2023
- MoleTalpa europaea2024
- Brown HareLepus europaeus2023
- Red FoxVulpes vulpes2024
Common Lizard
- Common LizardZootoca vivipara
🐸Amphibians2 species
winterspring
2026▾
Common Frog · Common Toad
- Common FrogRana temporaria
- Common ToadBufo bufo2023
🐝Insects29 species
springsummer
2025▾
Beautiful Demoiselle · Hairy-footed Flower Bee · Eristalis pertinax · Marmalade Hoverfly · White-legged Damselfly +24
- Beautiful DemoiselleCalopteryx virgo
- Hairy-footed Flower BeeAnthophora plumipes2024
- Eristalis pertinaxEristalis pertinax2024
- Marmalade HoverflyEpisyrphus balteatus2023
- White-legged DamselflyPlatycnemis pennipes2023
Holly · Alder · Common Nettle · Field Maple · Hawthorn +25
- HollyIlex aquifolium2024
- AlderAlnus glutinosa2024
- Common NettleUrtica dioica2024
- Field MapleAcer campestre2025
- HawthornCrataegus monogyna2025
- MeadowsweetFilipendula ulmaria
Species observations from the last 10 years via NBN Atlas
Wildlife to spot
2,452 records · National Biodiversity Network🐦Birds34 species
winterspringsummer
2025▾
Swift · Woodpigeon · Goldfinch · Blackbird · Wren +29
- SwiftApus apus
- WoodpigeonColumba palumbus2024
- GoldfinchCarduelis carduelis2024
- BlackbirdTurdus merula2024
- WrenTroglodytes troglodytes2024
- SwallowHirundo rustica2023
- Mute SwanCygnus olor2023
- BullfinchPyrrhula pyrrhula2024
- Long-tailed TitAegithalos caudatus2024
- BlackcapSylvia atricapilla2024
- ChaffinchFringilla coelebs2024
- House SparrowPasser domesticus2024
- Great TitParus major2023
- Canada GooseBranta canadensis2023
- GoldcrestRegulus regulus2023
- JayGarrulus glandarius2023
- TreecreeperCerthia familiaris2023
- Grey HeronArdea cinerea2023
- Spotted FlycatcherMuscicapa striata2024
- GreenfinchChloris chloris2024
- Green WoodpeckerPicus viridis2024
- MagpiePica pica2023
- JackdawColoeus monedula2023
- House MartinDelichon urbicum2023
- Collared DoveStreptopelia decaocto2023
- NuthatchSitta europaea2023
- Mistle ThrushTurdus viscivorus2023
- CormorantPhalacrocorax carbo2023
- SiskinSpinus spinus2023
- Tufted DuckAythya fuligula2023
- Marsh TitPoecile palustris2023
- RedwingTurdus iliacus2023
- StarlingSturnus vulgaris2023
- Great Spotted WoodpeckerDendrocopos major2023
🦌Mammals7 species
winterspringsummer
2026▾
Badger · Grey Squirrel · Mole · Brown Hare · Red Fox +2
- BadgerMeles meles
- Grey SquirrelSciurus carolinensis2023
- MoleTalpa europaea2024
- Brown HareLepus europaeus2023
- Red FoxVulpes vulpes2024
Common Lizard
- Common LizardZootoca vivipara
🐸Amphibians2 species
winterspring
2026▾
Common Frog · Common Toad
- Common FrogRana temporaria
- Common ToadBufo bufo2023
🐝Insects29 species
springsummer
2025▾
Beautiful Demoiselle · Hairy-footed Flower Bee · Eristalis pertinax · Marmalade Hoverfly · White-legged Damselfly +24
- Beautiful DemoiselleCalopteryx virgo
- Hairy-footed Flower BeeAnthophora plumipes2024
- Eristalis pertinaxEristalis pertinax2024
- Marmalade HoverflyEpisyrphus balteatus2023
- White-legged DamselflyPlatycnemis pennipes2023
Holly · Alder · Common Nettle · Field Maple · Hawthorn +25
- HollyIlex aquifolium2024
- AlderAlnus glutinosa2024
- Common NettleUrtica dioica2024
- Field MapleAcer campestre2025
- HawthornCrataegus monogyna2025
- MeadowsweetFilipendula ulmaria
Species observations from the last 10 years via NBN Atlas
Brown Rat
Brown Rat
Rattus norvegicus2023
Rattus norvegicus2023
Water ShrewNeomys fodiens2024Water ShrewNeomys fodiens2024White/Buff-tailed Bumblebee workers
White/Buff-tailed Bumblebee workers
Bombus lucorum/terrestris
Bombus lucorum/terrestris
Red-legged ShieldbugPentatoma rufipes2023Red-legged ShieldbugPentatoma rufipes2023Red-tailed BumblebeeBombus lapidarius2023Red-tailed BumblebeeBombus lapidarius2023Common Carder BeeBombus pascuorum2023Common Carder BeeBombus pascuorum2023Cercopis vulnerataCercopis vulnerata2023Cercopis vulnerataCercopis vulnerata2023Large Red DamselflyPyrrhosoma nymphula2023Large Red DamselflyPyrrhosoma nymphula2023Common CockchaferMelolontha melolonthaCommon CockchaferMelolontha melolonthaSwollen-thighed BeetleOedemera nobilisSwollen-thighed BeetleOedemera nobilisGreater Bulb-FlyMerodon equestrisGreater Bulb-FlyMerodon equestrisDownlooker SnipeflyRhagio scolopaceusDownlooker SnipeflyRhagio scolopaceusDark Giant HorseflyTabanus sudeticus2024Dark Giant HorseflyTabanus sudeticus2024ChrysididaeChrysididae2024ChrysididaeChrysididae2024Buff-tailed BumblebeeBombus terrestris2024Buff-tailed BumblebeeBombus terrestris2024SyrphusSyrphus2023SyrphusSyrphus2023Green ShieldbugPalomena prasina2023Green ShieldbugPalomena prasina2023Common Red Soldier BeetleRhagonycha fulva2023Common Red Soldier BeetleRhagonycha fulva20237-spot LadybirdCoccinella septempunctata20237-spot LadybirdCoccinella septempunctata2023Western Honey BeeApis mellifera2023Western Honey BeeApis mellifera2023Marsh SnipeflyRhagio tringarius2023Marsh SnipeflyRhagio tringarius2023Common EarwigForficula auricularia/dentata agg.2023Common EarwigForficula auricularia/dentata agg.2023Tipula maximaTipula maxima2023Tipula maximaTipula maxima20232-spot LadybirdAdalia bipunctata20232-spot LadybirdAdalia bipunctata2023Banded DemoiselleCalopteryx splendens2023Banded DemoiselleCalopteryx splendens2023Cuckoo-Spit InsectPhilaenus spumarius2023Cuckoo-Spit InsectPhilaenus spumarius20232023
2023
HazelCorylus avellana2023HazelCorylus avellana2023GroundselSenecio vulgarisGroundselSenecio vulgarisIvy-leaved SpeedwellVeronica hederifoliaIvy-leaved SpeedwellVeronica hederifoliaCleaversGalium aparineCleaversGalium aparineWall-rueAsplenium ruta-murariaWall-rueAsplenium ruta-murariaViper's-buglossEchium vulgare2025Viper's-buglossEchium vulgare2025Japanese KnotweedReynoutria japonica2025Japanese KnotweedReynoutria japonica2025Ragged-RobinSilene flos-cuculi2025Ragged-RobinSilene flos-cuculi2025CowslipPrimula veris2025CowslipPrimula veris2025CuckooflowerCardamine pratensis2024CuckooflowerCardamine pratensis2024HarebellCampanula rotundifolia2023HarebellCampanula rotundifolia2023AshFraxinus excelsior2023AshFraxinus excelsior2023ElderSambucus nigra2023ElderSambucus nigra2023PineappleweedMatricaria discoidea2023PineappleweedMatricaria discoidea2023Silver BirchBetula pendula2023Silver BirchBetula pendula2023RowanSorbus aucuparia2023RowanSorbus aucuparia2023Herb-RobertGeranium robertianum2023Herb-RobertGeranium robertianum2023RaspberryRubus idaeus2023RaspberryRubus idaeus2023HoneysuckleLonicera periclymenum2023HoneysuckleLonicera periclymenum2023IvyHedera helix2023IvyHedera helix2023SilverweedPotentilla anserina2023SilverweedPotentilla anserina2023Pedunculate OakQuercus robur2023Pedunculate OakQuercus robur2023PignutConopodium majus2023PignutConopodium majus2023Yellow-rattleRhinanthus minor2023Yellow-rattleRhinanthus minor2023