Observatories across Ireland
Observatories are buildings for watching and studying the night sky. Each observatory in this list opens to the public for tours, talks or stargazing events. Visiting times vary and some events need booking, so check the observatory’s website.
4 listings
Armagh Observatory and Planetarium
A working observatory and a planetarium on one site in Armagh, and by its own description Ireland’s leading centre for astronomical research and education.
Last verified 2026-07-12
Birr Castle Demesne
The demesne at Birr holding the Great Telescope of 1845 and Ireland’s Historic Science Centre, with gardens and parkland along the river.
Last verified 2026-09-02
DIAS Dunsink Observatory
An observatory founded in 1785, about 8km northwest of Dublin city centre near Ashtown, and a centre for astronomical research in Ireland ever since.
Last verified 2026-07-12
MTU Blackrock Castle Observatory
A 16th-century castle in Blackrock, on the edge of Cork city, that now holds a working observatory and a space-science centre.
Last verified 2026-07-12