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  • Explore BCO's Universe

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

    Exhibits & Tickets

  • Summer of Space

    More than 50 events for space enthusiasts of all ages celebrate the International Space University's arrival in Cork this summer.

    View All Events

  • 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.

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    Cosmos at the Castle

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

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    Daily Schedule

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

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    Upcoming Events

    Space on the Road Library Road Trip

    86 days duration

    Thursday 1st June 2017

    Details & Booking »

    Rocket Launch Competition

    Sunday 23rd July 2017

    Details & Booking »

    Starships of the Future

    Monday 24th July 2017

    Details & Booking »

    BCO News & Blog

    Summer of Space

    May 31, 2017 / /

    BCO welcomes the International Space University to Cork with over 50 exciting events for space enthusiasts of all ages.

    Water Rocket Workshop for CIT Innovation Week

    January 27, 2017 / /

    Have you ever wanted to build a rocket?

    ISU SSP17 Team plan a Summer of Space!

    December 14, 2016 / /

    Planning underway for Space Studies Program 2017

    Update: Blackrock Area Road Works

    November 30, 2016

    We are open for business as usual!

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