North West Co. fort on north bank of Assiniboine river west of Pine creek, 18 miles below junction of Souris and Assiniboine rivers, in the N. E. quarter of Section 36, Tp. 8, R. 14, west of principal meridian, about 8 miles south of Carberry Junction on the C. N. R'y. It was built in 1784-1785. Abandoned by the North West Co. 1794 when the Hudson's Bay Co. built Fort Souris 20 miles by land higher up the river in 1793. It was the lowest post of the N. W. Co. on Assiniboine river and was the chief trading post of the Mandan Indians. It was reopened by the Hudson's Bay Co. about 1821 after the coalition. Henry and Harmon visited the remains of this fort in 1805. It was sometimes called fort Des Epinettes, des Pins, des Trembles. Shown on maps No. 3, 5, 7, 9, 101.