
Fort van Brasschaat was constructed between 1909 and 1912 north of the town of Brasschaat as part of Antwerp's second outer ring of reinforced concrete fortifications, representing an advanced phase of Belgium's National Redoubt defense strategy. The fort features a triangular layout and substantial moat, exemplifying early 20th-century military architecture. Though garrisoned by approximately 330 soldiers when Germany invaded in 1914, its northern position meant it saw no combat during the Great War. Today, the site is a protected nature reserve serving as an important hibernation sanctuary for over 700 bats and various protected species, preserving both military heritage and ecological significance.