Schloss Roseck, Medieval castle in Unterjesingen, Germany

Schloss Roseck is a medieval castle situated on a hilltop above the Ammertal valley with a central courtyard surrounded by defensive walls. The stone structure is enclosed by auxiliary buildings that form part of the overall fortification.

Roseck was probably built by the Counts Palatine of Tübingen under the Staufers (1138–1254) and is first documented in 1287, when Gottfried I had to surrender the fortress to King Rudolf. In 1410 Hinz von Hailfingen sold it with the village of Jesingen to Bebenhausen Abbey, which set up an administrative seat and lower court for the Ammertal villages. After the abbey's dissolution in 1535/36 it passed to the Dukes of Württemberg.

The name Roseck goes back to the medieval castle "castrum Rosseccke" recorded in 1287. From 1410 the Bebenhausen monastery ran a monastic estate here, holding lower jurisdiction and administering the villages of the Ammertal. In 1947 the Franciscan sisters of Schramberg-Heiligenbronn received the estate as a gift and lived in the castle.

The site remains under private ownership and the public cannot enter the grounds or buildings. You can view it from the surrounding paths and roads nearby.

The 1991 fire was started by a man with an addiction while intoxicated; the building was never rebuilt inside. In 1993 Oskar Eggenweiler bought the estate for 5.3 million Deutsche Mark. Since late 2022 it has belonged to COPRO Projektentwicklung in Berlin, which plans a careful renovation with architect Stefan Sindlinger.