Schauenburg Castle is a ruined hilltop castle located in Oberkirch, Germany, atop a 367-metre-high (1,204 ft) (NN) hill spur overlooking the Rench river valley above the town of Gaisbach, Baden-Württemberg.

[2] Schauenburg Castle was built in the 10th century by Duke Berthold II of Zähringen and was first mentioned in a written text in 1120.

In 1386, half of the possessions of the Ebersteins, including Schauenburg Castle, was sold to Rudolf VII, Margrave of Baden-Baden (d.

[citation needed] The knights of Schauenburg became a separate noble family, working as Ministerialis and Burgmann under the Ebersteins.

[3][4] This led to the Feud of the lords of Schauenburg with Bernhard von Baden, a two-year war from 1402 to 1403.