Radisson Blu Hotel & Spa, Cork

Blackrock Castle Observatory


Home to the award-winning Cosmos at the Castle exhibit, Blackrock Castle Observatory invites you to experience a fun and educational day just a 20-minute drive from Radisson Blu Hotel & Spa, Cork. Enjoy browsing interactive out-of-this-world exhibits at your leisure in stunning historic castle surroundings – an educational experience in an unexpected environment and a fun excursion for all.
What to do at Blackrock Castle Observatory
Originally built in 1582 as a fort on the banks of the River Lee to protect the city from pirates and invaders, the castle is now dedicated to inspiring its guests’ interest in science, engineering and technology. Enjoy learning about the universe and our planet’s place in it.

  • Explore Cosmos at the Castle and learn about recent discoveries of extreme life forms on Earth
  • Enjoy an interactive experience with Journeys of Exploration taking you through the heart of the castle and the history of Cork
  • Take advantage of the Observatory’s temporary and visiting exhibitions 
  • Grab a bite and something to drink at the Castle Café – Restaurant, Bar & Kitchen Garden which overlooks the castle
After you’ve seen all the exhibits, explore the beautiful area surrounding the castle on the banks of the River Lee.

Plan your visit from Radisson Blu Hotel & Spa, Cork

Opening hours:
Open daily, all year round
  • 10:00 – 17:00 (Las admission is 16:00)
  • Children (under 5): FREE
  • Students, Seniors and Children (5-14): €4.50
  • Adults: €6.50
  • Family (2 adults, 2 children): €18.00
  • Groups: €5.50 per person
Castle Café opening hours:
  • 09:30 – 16:00 (Monday)
  • 09:30 – 21:00 (Tuesday – Thursday)
  • 09:00 – 21:30 (Friday – Saturday)
  • 09:30 – 20:00 (Sunday)