Home | BCO: CIT Blackrock Castle Observatory

Explore BCO's Universe
Exciting interactive exhibits and activities await at BCO, from exploring space and alien lifeforms to the Castle's battlements, dungeon and rich maritime history.
Exhibits & Tickets
Summer of Space
More than 50 events for space enthusiasts of all ages celebrate the International Space University's arrival in Cork this summer.
View All Events
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

Housed in an iconic Cork landmark dating back to 1582, a visit to Blackrock Castle Observatory includes entry to Journeys of Exploration.

Learn about the Universe, extreme life forms on Earth and life in outer space!

Plan your visit with an up to date list of the times of activities, tours and events at Blackrock Castle.

86 days duration

Thursday 1st June 2017

Sold Out!

Saturday 19th August 2017

Wednesday 23rd August 2017, Thursday 24th August, Friday 25th August, Friday 25th August

August 15, 2017 The BCO Blog

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

How to see Perseid Meteors in August

BCO welcomes the International Space University to Cork with over 50 exciting events for space enthusiasts of all ages.

Have you ever wanted to build a rocket?

Opening Hours

Daily: 10am to 5pm
Last Admissions: 4 PM

Box Office: +353 (21) 432-6120

RT @EIRSAT1: EIRSAT-1 is a 2U CubeSat which has been chosen as part of the ESA #FlyYourSatellite programme 2017 @ESA__Education https://t.co/xJdkFP7fIH

RT @siliconrepublic: Laura Keogh is one of Ireland’s leading lights when it comes to the intriguing world of #spacelaw https://t.co/AZlp3ajBQ6