KASTEEL HOENSBROEK

Where: Heerlen, Netherlands

Start of construction: 13th Century

End of construction: 18th Century

Most important renovation: 20th Century

Accessible: yes, with and without guide

Important fact:

The oldest, still existing, part of the castle is

the round donjon. It's from 1360.

https://www.kasteelhoensbroek.nl/en/