• 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


    Saturday 24th March 2018

    Details & Booking »

    Earth Hour

    Saturday 24th March 2018

    Details & Booking »

    Junior Space Camp

    Sold Out!

    Sunday 25th March 2018

    Details & Booking »

    BCO News & Blog

    Space Weather Update

    A minor solar storm is on its way - despite the headlines.

    Niamh Shaw – Artist in residence

    Diary of a Martian Beekeeper

    We’re hiring an Explainer/Administrator

    Have you got what it takes to be a part of our team at Ireland’s Space for Science?

    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