Fort de la Malmaison

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Fort de la Malmaison

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Fort de la Malmaison, Stone military fort near Chavignon, France

The rectangular fortification spans 270 meters in length and 240 meters in width, featuring dry moats protected by two defensive structures called caponnières.

Built between 1878 and 1882 as part of the Séré de Rivières defense system, the fort protected routes between Soissons and Laon toward Paris.

The fort received the name of General Thomas Alexandre Dumas in 1887, following French military tradition of naming fortifications after notable figures.

Visitors access the site through guided tours organized by the Caverne du Dragon museum, which provides educational information about military history.

The fort served as a testing ground for new explosive materials in 1886, revealing critical weaknesses in French fortification designs of that period.

Location: Chavignon

Elevation above the sea: 194 m

Made from material: stone

GPS coordinates: 49.46100,3.52258

Latest update: June 23, 2025 09:47

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