You have to be logged in to use this feature.

Sonnenborgh is a bastion and observatory in Utrecht. It is one of the four bastions Emperor Charles V had built that was used in Utrecht in 1552. In the casemates behind the three-meter thick walls are still cannon holes. There is also a 16th century latrine and a well. In addition, the museum has a collection of telescopes that were used to study the stars and planets.

Alternative name:

nl Sonnenborgh Sterrenwacht

Sonnenborgh Observatory
Zonnenburg 2
3512 NL Utrecht

Museum type(s)

Science & Technology Specialized & Alternative



Visitor information

Opening hours

Monday Closed
Tuesday 11:00 am – 05:00 pm
Wednesday 11:00 am – 05:00 pm
Thursday 11:00 am – 05:00 pm
Friday 11:00 am – 05:00 pm
Saturday Closed
Sunday 01:00 pm – 05:00 pm

More opening hours


0 - 3 Free
4 - 12 €4.50
13 and over €7.00
CJP Pass €4.50
Museumkaart Valid
U-pas €4.50
Tour per group of max 15 €65.00
Children €10.00

More admission


  • Coffee

  • Museum shop


Zonnenburg 2, Utrecht, The Netherlands


Permanent exhibitions


All exhibitions


Sonnenborgh Observatory has 1 rating.

This rating is based on the rating of this museum on several other platforms.

Write a review

Your review helps other people learn about great and less great museums. If you've visited this museum, you can write your review below. Please pay attention to our content guidelines before you post your review.

WhichMuseum – made in Amsterdam

How would you like to sign up?

We will never post any messages without your permission.

Sign up with Google

Or use your email address

Already have an account? Log in!

Information for museums.


How would you like to log in?

Log in with Google

Or use your email address

Don't have an account? Sign up!
Forgot your password?