Fort de la Corne was one of the two French forts established on the Saskatchewan River in the 20 years between the end of La Vérendrye's push west from Lake Superior in 1731–1743 and the fall of New France in 1763. (The other was Fort La Jonquière built two years earlier.) It was originally called Fort St. Louis, and later also called Fort des Prairies, Nippeween and Fort à la Corne. It was located downstream from the Saskatchewan River Forks at the mouth of the Pehonan Creek a mile west of the later HBC post.