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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, 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

    Blackrock Castle is closed on the following dates: Saturday, 4th July, 2020, Sunday, 5th July, 2020, Monday, 6th July, 2020, Tuesday, 7th July, 2020, Wednesday, 8th July, 2020

    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

    Daily Astro Challenge with ESERO Ireland!

    120 days duration

    Friday 20th March 2020

    Details & Booking »

    Planetarium at Home – New Episodes Every Friday!

    146 days duration

    Friday 27th March 2020

    Details & Booking »

    Visit The Castle. Thursday July 9

    Thursday 9th July 2020

    Details & Booking »

    BCO News & Blog

    Cork – A City of Culture and Coming Together

    May 15, 2020

    Cork arts and cultural organisations come together, in their homes, to create a love letter to the city to remind people of all of the gems that can be found and what they can expect to enjoy when the COVID-19 restrictions are over.

    NOTICE OF CLOSURE

    May 15, 2020

    CIT Blackrock Castle Observatory will remain closed until further notice

    Sky Matters – May 2020

    April 28, 2020

    Sky Matters May 2020 - Sky Matters is a monthly newsletter about the night sky, published by CIT Blackrock Castle Observatory.

    Sky Matters – April 2020

    April 3, 2020

    Sky Matters April 2020 - Sky Matters is a monthly newsletter about the night sky, published by CIT Blackrock Castle Observatory.

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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