• 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.

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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

    Junior Space Camp

    Sunday 1st September 2019

    Details & Booking »

    Space Week CPD for Primary Teachers

    Wednesday 11th September 2019, Wednesday 18th September, Wednesday 18th September, Thursday 19th September

    Details & Booking »

    Culture Night 2019

    Friday 20th September 2019

    Details & Booking »

    BCO News & Blog

    Sky Matters – August 2019

    Sky Matters August 2019 - Sky Matters is a monthly newsletter about the night sky, published by CIT Blackrock Castle Observatory.

    We’re hiring! Science Communicators “Explainers”

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

    Sky Matters – July 2019

    Sky Matters July 2019 - Sky Matters is a monthly newsletter about the night sky, published by CIT Blackrock Castle Observatory.

    Name Your Own Exoplanet – Ireland

    As part of the International Astronomical Union's 100 year Anniversary celebrations, Ireland will get to name an exoplanet!

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    © 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