The castle is in excellent condition. But not accessible. It is secured with barbed wire and video surveillance. Why? I found the explanation on Wikipedia: The original palace stood on …
An extraordinary Gothic-Renaissance castle actually on the water! It is believed to have originally been a seat of knights; it was later rebuilt many times. It is open to visitors, but only in groups of at least 8 people.
Once a palace, today a Care and Treatment Center for Adults run by the Congregation of the Albertine Sisters Serving the Poor. Sometimes you see a sister or two praying in the park by the water.