We are currently experiencing a high volume of visitors. A number of future dates/times are at capacity and we cannot accept walk-ins at those times. When planning your visit, we highly recommend that you book online to avoid disappointment 
Ireland in
Space
From Newgrange to New Space –
Explore Ireland’s Place in Space
Alien
Worlds
Travel to worlds beyond our solar system
Visiting Exhibition: January 2023 – August 2023
Your story began 13.8 billion years ago - Lets explore it together
We are thrilled to welcome you back to MTU Blackrock Castle Observatory where your admission includes access to MTU Blackrock Castle Observatory’s award winning science centre, a tour of the 16th century castle, and a live astronomy show.
Your Visit
What to Expect
Ireland in Space
From Newgrange to New Space – Ireland’s connection to Space may be deeper than you think…
Upcoming Events
We host regular events here at the Observatory so check your calendar against these exciting upcoming events!
Online Summer Course – Teaching Space in Junior Classes with ESERO
July 3rd to August 18th 2023
Learn More
Education at BCO
Venue Hire
Plan your event here
We are the perfect venue for those who want spectacle without sacrificing on functionality. Our facility is built to be highly customisable so we’re sure we can help you find the perfect setup for your event. Enquire today.
Corporate Events
Looking to treat your team or perhaps you want to impress a prospective client? Look no further.
Learn More
Weddings
Add a touch of magic to your dream day with a ceremony at our 16th Century Castle
Learn more
Photography
The Castle makes for a stunning subject but its towers and rooves also offer a unique vantage point for photographers
Learn More
