Altnaheglish Reservoir 139 ha
Plan your visit
🦉 Wildlife🦅 Birds🦋 Insects
Free entry Dogs welcome 139 ha
Places › Northern Ireland › Causeway Coast and Glens Getting here
54.87535, -6.90649
Open directionsv Visiting this summer
Seasonal nature notes and what to look for now
▾ ☀️ June — long evenings and clear skies; one of the most rewarding months for a late visit 🐕 Dogs welcome — bring water in summer; the site has enough space to find shade on hot days 🌤️ Visiting this summer
☀️ June — long evenings and clear skies; one of the most rewarding months for a late visit 🐕 Dogs welcome — bring water in summer; the site has enough space to find shade on hot days £ Free to visit — no entry charge🐕 Dogs welcome🦉 Wildlife
Very strong match
Multi-group wildlife — Amphibians, Birds, Mammals, Reptiles; Multi-group wildlife — Amphibians, Birds, Mammals, Reptiles
Free
🦅 Bird watching
Strong match
Birds — Cuckoo, Chaffinch, Wren +44 more · last seen 2025; Birds — Cuckoo, Chaffinch, Wren +44 more · last seen 2025
Free
🦋 Insect spotting
Good match
Insects — Green-veined White, Small Heath, Green Hairstreak +5 more · last seen 2024; Insects — Green-veined White, Small Heath, Green Hairstreak +5 more · last seen 2024
Free
Trails nearby Within roughly 5 km 7 signed routes nearby
Signed route nearby
Ulster Way Walking route 1000 km ▾
A series of walking routes which encircles Northern Ireland.
Named route Length 1000 km Round trip National walking route
Show on map Sperrins Challenge Walk 2011 Walking route 32 km ▾
Named route Length 32 km Point-to-point Regional walking route
Show on map Banagher Glen - Forest Trail Walking route 12 km ▾
http://www.gps-routes.co.uk/routes/home.nsf/RoutesLinksWalks/banagher-glen-walking-route#
Named route Length 12 km Local walking route
Show on map HUDY’S WAY Walking route ▾
https://walkni.com/walks/hudys-way/
Named route
Show on map Moydamlaght Forest - Short Trail Walking route ▾
https://walkni.com/walks/moydamlaght-forest-short-trail/
Named route
Show on map 1 signed route nearby
Signed route nearby
Sperrins Route 7 - Banagher Cycle Route Cycling route ▾
Named route Ref 7 Round trip Regional cycle route
Show on map Photos C6904 : Altnaheglish Reservoir
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Weather for this location Next 14 days Nearby places Useful places within 5 km
All Historic
Visitor access unverified. We don't yet have confirmed information about walking routes or public access at this reservoir. If you've visited, please help us improve this page.
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Bookable tours Wildlife to spot
293 records · National Biodiversity Network
▾
Wildlife to spot 293 records · National Biodiversity Network 🐦 Birds 42 species
winter spring summer
2025 ▾
Siskin · Goldcrest · Wren · Robin · Mistle Thrush +37
Siskin Spinus spinus Goldcrest Regulus regulus Wren Troglodytes troglodytes Robin Erithacus rubecula Mistle Thrush Turdus viscivorus Chaffinch Fringilla coelebs Cuckoo Cuculus canorus2022 Meadow Pipit Anthus pratensis Coal Tit Periparus ater Great Tit Parus major Blue Tit Cyanistes caeruleus Blackbird Turdus merula Grey Wagtail Motacilla cinerea2022 Dunnock Prunella modularis Lesser Redpoll Acanthis flammea cabaret Song Thrush Turdus philomelos Long-tailed Tit Aegithalos caudatus Stonechat Saxicola rubicola Treecreeper Certhia familiaris2022 Willow Warbler Phylloscopus trochilus2022 Jackdaw Coloeus monedula2022 Woodpigeon Columba palumbus2022 Blackcap Sylvia atricapilla2022 Chiffchaff Phylloscopus collybita2022 Sand Martin Riparia riparia2022 Hooded Crow Corvus cornix2022 Dipper Cinclus cinclus2021 Mallard Anas platyrhynchos Skylark Alauda arvensis2022 Kestrel Falco tinnunculus Teal Anas crecca Reed Bunting Emberiza schoeniclus Grasshopper Warbler Locustella naevia2022 Spotted Flycatcher Muscicapa striata2021 Jay Garrulus glandarius2021 Pied Wagtail Motacilla alba yarrellii Swallow Hirundo rustica2021 Bullfinch Pyrrhula pyrrhula2020 Common Sandpiper Actitis hypoleucos2020 Grey Heron Ardea cinerea2020 Crossbill Loxia curvirostra2016 Goldfinch Carduelis carduelis2013 Pine Marten
Common Lizard
Common Lizard Zootoca vivipara 🐸 Amphibians 1 species
winter
2025 ▾
Common Frog
Common Frog Rana temporaria 🐝 Insects 6 species
spring summer
2024 ▾
Green-veined White · Anoplotrupes stercorosus · Ruby Tiger · Green Hairstreak · Peacock +1
Green-veined White Pieris napi2013 Anoplotrupes stercorosus Anoplotrupes stercorosus Ruby Tiger Phragmatobia fuliginosa Green Hairstreak Callophrys rubi2022 Peacock Aglais io2022 Orange-tip Species observations from the last 10 years via NBN Atlas
Wildlife to spot 293 records · National Biodiversity Network 🐦 Birds 42 species
winter spring summer
2025 ▾
Siskin · Goldcrest · Wren · Robin · Mistle Thrush +37
Siskin Spinus spinus Goldcrest Regulus regulus Wren Troglodytes troglodytes Robin Erithacus rubecula Mistle Thrush Turdus viscivorus Chaffinch Fringilla coelebs Cuckoo Cuculus canorus2022 Meadow Pipit Anthus pratensis Coal Tit Periparus ater Great Tit Parus major Blue Tit Cyanistes caeruleus Blackbird Turdus merula Grey Wagtail Motacilla cinerea2022 Dunnock Prunella modularis Lesser Redpoll Acanthis flammea cabaret Song Thrush Turdus philomelos Long-tailed Tit Aegithalos caudatus Stonechat Saxicola rubicola Treecreeper Certhia familiaris2022 Willow Warbler Phylloscopus trochilus2022 Jackdaw Coloeus monedula2022 Woodpigeon Columba palumbus2022 Blackcap Sylvia atricapilla2022 Chiffchaff Phylloscopus collybita2022 Sand Martin Riparia riparia2022 Hooded Crow Corvus cornix2022 Dipper Cinclus cinclus2021 Mallard Anas platyrhynchos Skylark Alauda arvensis2022 Kestrel Falco tinnunculus Teal Anas crecca Reed Bunting Emberiza schoeniclus Grasshopper Warbler Locustella naevia2022 Spotted Flycatcher Muscicapa striata2021 Jay Garrulus glandarius2021 Pied Wagtail Motacilla alba yarrellii Swallow Hirundo rustica2021 Bullfinch Pyrrhula pyrrhula2020 Common Sandpiper Actitis hypoleucos2020 Grey Heron Ardea cinerea2020 Crossbill Loxia curvirostra2016 Goldfinch Carduelis carduelis2013 Pine Marten
Common Lizard
Common Lizard Zootoca vivipara 🐸 Amphibians 1 species
winter
2025 ▾
Common Frog
Common Frog Rana temporaria 🐝 Insects 6 species
spring summer
2024 ▾
Green-veined White · Anoplotrupes stercorosus · Ruby Tiger · Green Hairstreak · Peacock +1
Green-veined White Pieris napi2013 Anoplotrupes stercorosus Anoplotrupes stercorosus Ruby Tiger Phragmatobia fuliginosa Green Hairstreak Callophrys rubi2022 Peacock Aglais io2022 Orange-tip Species observations from the last 10 years via NBN Atlas
Anthocharis cardamines2022
Anthocharis cardamines2022
