Armagh Observatory and Planetarium is a working historic observatory and public planetarium on College Hill in Armagh. The Planetarium is normally open Tuesday–Sunday from 10:00–17:00 and closed Mondays except Bank Holidays; dome-show tickets include the exhibition area, sensory room, and grounds, while Observatory access is limited to selected tours and prearranged bookings. The grounds and Planetarium car park are accessible 24/7.