Fort de Vézelois, also known as Fort Ordener, was built between 1883 and 1886 near Vézelois, to the southeast of Belfort in northeastern France. It is part of the first ring of fortifications around the city of Belfort. It is part of the second ring of fortifications around the city of Belfort in northeastern France. This set of forts was built as part of the Séré de Rivières system and incorporated improvements to deal with the improvement in efficacy of artillery in the late 19th century. The fort was formally named after French General Michel Ordener.