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Castles & Fortifications

Lake Constance features a diverse collection of defensive structures and noble residences spanning several centuries. This selection includes the medieval Meersburg Castle, one of Germany's oldest inhabited fortresses, and the Renaissance elegance of Schloss Heiligenberg. Visitors can explore the massive ruins of Hohentwiel, situated on a volcanic plug, or the Moorish-inspired Schloss Montfort. From the Napoleonic history at Arenenberg to the Baroque splendor of Tettnang's New Palace, these sites reflect the region's strategic importance and architectural evolution.

Meersburg Castle

Meersburg Castle, also known as the Alte Burg, in Meersburg on Lake Constance in Baden-Württemberg, Germany, is considered to be one of the…

New Castle

The Neues Schloss Meersburg is located in Meersburg near Lake Constance in Baden-Württemberg, Germany.

Arenenberg

Arenenberg is an estate with a small chateau, Schloss Arenenberg, in the municipality of Salenstein at the shore of Lake Constance in…

Hohentwiel Castle

Hohentwiel Castle is a ruin of a former castle on the peak of the dead volcano Hohentwiel.

Schloss Montfort

A 19th-century palace built in Moorish style for King Wilhelm I of Württemberg. It serves as the landmark of Langenargen and features a distinctive tower with views over Lake Constance.

Schloss Heiligenberg

Schloss Heiligenberg is a Renaissance-style castle in Heiligenberg, Linzgau, north of the Bodensee.

Burg Hohenbregenz

Ruins of a high medieval hill castle located on the Gebhardsberg near Bregenz. The site includes the remains of a 12th-century fortress and a pilgrimage church added in the 18th century.

Hagenwil Castle

Hagenwil Castle is a castle in the municipality of Amriswil of the Canton of Thurgau in Switzerland.

Schloss Friedrichshafen

A former Benedictine monastery, originally known as Kloster Hofen, converted into a summer residence for the Kings of Württemberg in the 19th century. It is situated directly on the Friedrichshafen lakeshore.

Frauenfeld Castle

Frauenfeld Castle is a castle in the municipality of Frauenfeld of the Canton of Thurgau in Switzerland.

Tettnang Castle

Tettnang Castle, also known as the Tettnang New Palace, is one of three castles in the German town of Tettnang.

Ruine Altbodman

The remains of a high medieval hilltop fortress destroyed during the 15th century. It features a preserved keep that now serves as a lookout point over the Überlinger See.

Ruine Nellenburg

Ruins of an 11th-century castle that served as the ancestral seat of the Landgraves of Nellenburg. The site offers views of the Hegau volcanic landscape and the western end of Lake Constance.

Langenstein Castle

Langenstein Castle is a Renaissance building of the sixteenth century.

Burgruine Castell

A 12th-century castle ruin located in the Swiss canton of Thurgau. It was originally constructed by the Bishops of Constance to secure the strategic trade routes approaching the lake.