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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

    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

    ESERO CPD for Primary Teachers, Engineers Week 2020

    Wednesday 12th February 2020, Tuesday 25th February, Thursday 6th February

    Details & Booking »

    Pale Blue Dot – 30 Year Anniversary

    7 days duration

    Friday 14th February 2020

    Details & Booking »

    Seachtain na Gaeilge

    17 days duration

    Sunday 1st March 2020

    Details & Booking »

    BCO News & Blog

    Sky Matters – February 2020

    January 29, 2020

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

    Sky Matters – January 2020

    December 20, 2019

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

    Sky Matters – December 2019

    December 18, 2019

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

    Winners of Exoworld Naming Competition Announced!

    December 17, 2019

    The names of mythological dogs (Bran, Tuiren) from the Irish legend The Birth of Bran, for the planet HAT-P-36b (Bran) orbiting the star HAT-P-36 (Tuiren) in the constellation of Canes Venatici (the Hunting Dogs),

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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