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Star viewing at Sonnenborgh
Star viewing at Sonnenborgh

Hours & prices

Here you find information about our opening hours and prices.

Opening hours

Tuesday to Friday 11am - 5pm
Sunday 1 – 5pm

Group visits
Groups may also schedule visits after opening hours. To schedule a group visit, please contact us at 030 820 1420 or info@sonnenborgh.nl.

Star viewing
In fall and winter (October up until April) the observatory is open to the public every Friday and Saturday evening. The Star Viewing Nights are held between 8 and 9:30pm on Friday and 7:30 and 9pm on Saturday (special kids program); booking is required (tickets sales starts the end of August 2019).
Every Sunday, year round, the observatory is open to the public to look at the Sun. Opening hours: 1 to 5 pm.

Holidays
Sonnenborgh is closed on New Year’s Day (January 1st), the 2nd day of Easter, King’s Day (April 27th), Liberation Day (May 5th), Whit Monday and Christmas (December 25th & 26th).

 Archaeological finds at Bastion Sonnenborgh

Ticket prices

Adults: €8.50
Visitors under 18: €5,-
Visitors under 4: free admission
Students: €5,-
U-pas holders: €5,-
Museumkaart holders: free admission
Guided group tours: €75,- (costs for a group of 1–15 people, 1.5 hrs, excl. museum admission)