Jagdburg castle ruin, Medieval castle ruin in Stocken-Höfen, Switzerland.

Jagdburg is the ruin of a hilltop castle on an oval rise above Niederstocken in the municipality of Stocken-Höfen. Its core is a rectangular residential tower, dated by dendrochronology to 1285–1293 and built in a single phase. The basement level, probably a cellar, keeps five slit windows like loopholes, and the east side preserves the elevated entrance.

The castle was a knightly fief of the Dukes of Austria, documented before 1309 and held by Heinrich von Wädenswil, provost of Amsoldingen. Before 1331 the canons of Amsoldingen complained that court was being held at the castle. In 1492 the lordship of Stocken with the castle was sold to Hans Duby, town clerk of Thun; Bern dissolved it and assigned it to the court of Amsoldingen. The castle was abandoned from 1642 and fell into ruin.

The name Jagdburg likely relates to hunting, while the alternative Turm zum Stocken refers to the Stockental valley below. The canons of Amsoldingen complained before 1331 that the castle's lords held their own court there, a right the monastery claimed for itself. The family that held the castle from the 14th century called itself von Amsoldingen after 1484/85.

The ruin sits on a hilltop accessible to visitors who wish to explore the remaining walls firsthand. Archaeological excavations conducted between 2010 and 2011 uncovered the interior layout and construction methods, making the site easier to understand today.

Tree-ring analysis revealed that the walls were constructed between 1285 and 1293, providing an unusually precise building date. This scientific method of dating through wood samples makes the site particularly valuable for understanding medieval construction techniques.