• Welcome back to the Observatory!

    We are thrilled to announce that visitors may join us at BCO from May 20th

    More info

  • Visit Our Gift Shop

    Click and Collect Monday-Wednesday or visit onsite Thursday - Friday

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    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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    BCO News & Blog

    Sky Matters – July 2021

    Sky Matters July 2021 - Sky Matters is a monthly newsletter about the night sky, published by MTU Blackrock Castle Observatory.

    Sky Matters – June 2021

    Sky Matters June 2021 - Sky Matters is a monthly newsletter about the night sky, published by MTU Blackrock Castle Observatory.

    Sky Matters – April 2021

    Sky Matters April 2021 - Sky Matters is a monthly newsletter about the night sky, published by MTU Blackrock Castle Observatory.

    Sky Matters – March 2021

    Sky Matters March 2021 - Sky Matters is a monthly newsletter about the night sky, published by MTU Blackrock Castle Observatory.

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    © MTU Blackrock Castle Observatory T/A Cosmos Education Ltd.  Registered in Ireland: Company No. 451645. Registered Charity #CHY 18134. Registered Address: MTU Blackrock Castle Observatory, Castle Road, Blackrock, Cork, Ireland T12 YW52

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