La Bâtie-Montsaléon (French pronunciation: [la bati mɔ̃saleɔ̃]; Occitan: La Bastia Montsaleon) is a commune in the Hautes-Alpes department in southeastern France.

It is notable for being the location of the Battle of Mons Seleucus in 353, when Constantius II defeated the usurper Magnentius.

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