Fort Heldsberg

St. Margrethen, Switzerland · built 1940

Fort Heldsberg was built 1938–1940 near St. Margrethen in Switzerland, overlooking the Rhine, which forms the Swiss-Austrian border at that location, just south of Lake Constance. The fort was part of the Swiss Border Line defenses, built between 1938 and 1941. Since 1993 it is a museum.

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Fort data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

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