Hudson's Bay Co. fort on Hayes river Manitoba below the falls and rapids, about 30 miles below Swampy lake. Established before 1812, at which time it was in charge of John McLeod, chief trader. It was included in the 1856 list of posts but omitted from the 1869 and later lists. Shown on maps No. 8, 140, 77, 100 & 101. Sometimes called Old Rock House.