It was located downstream from the Saskatchewan River Forks at the mouth of the Pehonan Creek a mile west of the later HBC post.

In 1795 the Pedlars or North West Company built a Fort St Louis on the right bank of the river immediately below Peonan Creek.

In 1796 the Hudson's Bay Company built the first Carleton House a mile and a half downstream.

Today the Fort à la Corne Provincial Forest surrounds the site of the old fur trade posts.

In the 2000s, diamond exploration was undertaken in the Fort à la Corne kimberlite field by De Beers and ShoreGold.