the website says: currently out of service!

Currently free. Only for the self-sufficient. No supply. No V/E, no electricity, no water. No toilet, no showers. Meadow has not been mowed for a long time.

For 8 euros you get a pitch on grass, located on the Werra and with a view of the castle. You can buy electricity with individual euros. No facilities, no water or toilet block. What there is, is a Grill Stube, where you can eat surprisingly tasty and cheap