Heritage Open Days at the Old Observatory
- Date
- Saturday 9 September 2023 - Sunday 10 September 2023
- Explanation
- Open both days from 12:00 to 17:00
- Address
- Old Observatory
Sterrenwachtlaan 11
2311 GP Leiden
Visit Heritage during the National Open Days
Monuments tell stories. Are you curious which? Then visit the Heritage Open Days in Leiden on Saturday 9 and Sunday 10 September. The central theme this year is Living heritage. There are 32 unique buildings you can visit and many different activities. The Old Observatory is also open both days, so come and visit us!