• 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

    Booking Closed

    64 days duration

    Sunday 29th October 2017

    Details & Booking »

    Heads Up, Earthlings! The Geminids Are Here

    2 days duration

    Wednesday 13th December 2017

    Details & Booking »

    BCO News & Blog

    Planets for Christmas 2017

    Where to see Mercury, Jupiter and Mars on Christmas Day

    We’re celebrating 10 Years

    Since 2007 over 1 million people across all ages have engaged with the BCO team

    Solar Eclipse August 21 2017

    A partial eclipse will be visible from Cork in the evening of 21 August

    Perseid Meteors 2016* Updated for 2017

    How to see Perseid Meteors in August

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