Fort de Joux

Fort de Joux
Château de Joux
Part of Maginot line
La Cluse-et-Mijoux Near Pontarlier in France
The Fort de Joux
Fort de Joux
Coordinates	46°52′21″N 6°22′27″E / 46.8725°N 6.3742°E / 46.8725; 6.3742[1]
Type	Castle, fort
Site information
Owner	Communauté de communes du Larmont
Open to the public	Yes (tours, events)
Website	www.chateaudejoux.com
Site history
Built	11th century
Built by	Lords of Joux, Dukes of Burgundy, Charles Quint, Vauban, Joffre.
In use	until 1958
Materials	Limestone and tufa
Battles/wars	1814, 1871, 1940

The Fort de Joux (French pronunciation: [fɔʁ də ʒu]) or Château de Joux (French pronunciation: [ʃato də ʒu]) is a castle, later transformed into a fort, located in La Cluse-et-Mijoux in the Doubs department in the Jura Mountains of France. It commands the mountain pass Cluse de Pontarlier.