• Explore BCO's Universe

    Exciting interactive exhibits and activities await at BCO, from exploring space and alien lifeforms to the Castle's battlements, gunnery and rich maritime history.

    Exhibits & Tickets

  • Discover & Learn at BCO

    From school tours including castle visits as Gaeilge to workshops for all ages, a class trip to BCO educates and entertains through hands-on discovery.

    School Tours & Workshops

    Featured Exhibits

    Journeys of Exploration

    Housed in an iconic Cork landmark dating back to 1582, a visit to Blackrock Castle Observatory includes entry to Journeys of Exploration.

    Read More »

    Cosmos at the Castle

    Learn about the Universe, extreme life forms on Earth and life in outer space!

    Read More »

    Daily Schedule

    Plan your visit with an up to date list of the times of activities, tours and events at Blackrock Castle.

    Read More »

    Upcoming Events

    Junior Space Camp

    Sold Out!

    Sunday 3rd June 2018

    Details & Booking »

    Sea to Sky

    Saturday 9th June 2018

    Details & Booking »

    Junior Space Camp

    Sold Out!

    Sunday 1st July 2018

    Details & Booking »

    BCO News & Blog

    #TrainLikeaMartian Inspired by Space

    A competition to win an Inspired by Space workshop at your school

    Marist College, Athlone Wins CanSat Ireland National Finals

    Marist College, Athlone have won the CanSat national finals and will go on to represent Ireland at the European finals in The Azores

    Lyrid Meteors 2018

    Where to see the Lyrid Meteors on April 21/22

    Sky Matters

    April's Sky Matters guide to the night sky

    Privacy |

    © CIT Blackrock Castle Observatory T/A Cosmos Education Ltd.  Registered in Ireland: Company No. 451645. Registered Charity #CHY 18134. Registered Address: CIT Blackrock Castle Observatory, Castle Road, Blackrock, Cork, Ireland T12 YW52