Journey Through Time
and Space

A 16th Century Castle
Home To a Science Centre and Observatory

 

Ireland in
Space

From Newgrange to New Space –
Explore Ireland’s Place in Space

 

Your story began 13.8 billion years ago - Lets explore it together
Open Monday to Sunday 10:00 - 20:00
Last entry: 19:00

We are thrilled to welcome you to MTU Blackrock Castle Observatory where your admission includes access to MTU Blackrock Castle Observatory’s award winning science centre, a self guided tour of the 16th century castle, and more.

Opening Hours and Admission Fee

MTU Blackrock Castle Observatory is open 7 days a week, from 10 am to 8 pm, last admissions at 7 pm.

 

Prices:

Adult – €9

Student/OAP – €7

Child (children under 5 years are free) – €6

Family (2 adults, 2 children) – €26

 

No booking required – walk ins welcome!

Upcoming Events

We host regular events here at the Observatory so check your calendar against these exciting upcoming events!

‘Solar Eclipse’ An exhibition at Blackrock Castle Observatory.
June 1st 2026
Book Tickets
‘Solar Eclipse’ An exhibition at Blackrock Castle Observatory.
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Education at BCO

Bringing Space To The Classroom

 

 

Visit Our Education Portal
"A must visit site. 10/10"
Excellent explanations and information with passion and true excitement from our tour guide. Great work continues in the South of Ireland. A must visit site. 10/10
Tim Dickens
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Satellite