Schloss Sigmaringen

Sigmaringen Castle (German: Schloss Sigmaringen) was the princely castle and seat of government for the Princes of Hohenzollern-Sigmaringen. Situated in the Swabian Alb region of Baden-Württemberg, Germany, this castle dominates the skyline of the town of Sigmaringen. The castle was rebuilt following a fire in 1893, and only the towers of the earlier medieval fortress remain. Schloss Sigmaringen was a family estate of the Swabian Hohenzollern family, a cadet branch of the Hohenzollern family, from which the German Emperors and kings of Prussia came. During the closing months of World War II, Schloss Sigmaringen was briefly the seat of the Vichy French Government after France was liberated by the Allies. The castle and museums may be visited throughout the year, but only on guided tours.

Sigmaringen is located on the southern edge of the Swabian Alb, a plateau region in southern Baden-Württemberg. The Hohenzollern castle was built below the narrow Danube river valley in the modern Upper Danube Nature Park (German: Naturpark Obere Donau). The castle rises above the Danube on a towering chalk projection that is a spur of the white Jura Mountains formation. The hill is known simply as the Schlossberg or Castle Rock. The Schlossberg is about 200 meters (660 ft) long and up to 35 meters (115 ft) above the river. On this free-standing towering rock, the princely Hohenzollern castle is the largest of the Danube valley castles. The sheer cliffs and steep sides of the tower made it a natural site for a well-protected medieval castle.

The first castle at Sigmaringen appeared during the end of the Early Middle Ages, during the early 11th century. The castle was first mentioned in 1077 following the unsuccessful siege of Burg Sigmaringen by Rudolf of Rheinfelden in his fight against the King of Germany, Henry IV. In 1083 a pair of brothers, Ludwig and Manegold von Sigmaringen, are listed as witnesses on a document for the Königseggwald abbey.

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