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Fort Sérurier in Mons-en-Laonnois

Fort de Mons-en-Laonnois I
Fort de Mons-en-Laonnois II
Militaires devant le Fort Sérurier
Entrée du Fort Sérurier
Credit : OT Pays de Laon

Description

The fort at Mons-en-Laonnois – also known as Fort Laniscourt or Fort Sérurier – was built between 1879 and 1883 to defend the plain near Laon as part of the Séré de Rivières plan. At the time, it could accommodate around 250 to 280 men. 
Decommissioned in 1912, it served as a storage facility for the German army during both world wars, and was even visited by Adolf Hitler in June 1940.

Technical Information

Lat, Lng
49.5426913.5396157
Coordinates copied
Altitude
188 m
Point of Interest updated on 21/11/2025

Altimetric profile

Additional information

An abandoned fort... but still maintained

After serving as an ammunition depot until 1963 and being demilitarised in 1998, it has been owned by the municipality of Mons-en-Laonnois since 2000, and its maintenance is ensured by the Association pour la Restauration, la Sauvegarde et l'Animation du Fort de Mons (ARSAM). It hosts airsoft competitions and live-action role-playing games, among other events.

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Caution!
We have no information on the difficulty of this circuit. You may encounter some surprises along the way. Before you go, please feel free to inquire more and take all necessary precautions. Have a good trip! 🌳🥾