In 1616, the Vorau Abbey under Provost Daniel Gundau bought the fortress from the Counts of Saurau and expanded the castle from 1700 to 1723 into a monastery.

The concert of the traditional band Festenburg im Burghof takes place every year.

The castle is open to visitors from May to September from Monday to Sunday with guided tours.

The knight's hall of the castle was transformed into the parish church that Saint Catherine was consecrated.

The Trachtenkapelle Festenburg concert is held annually in the castle courtyard.