Canoeists carrying their wanigans and canoes over the Frog Portage, also known as the Portage du Traite. This was one of the most important portages on the voyageur route from eastern Canada to the Mackenzie River basin. It allowed boatmen to move from the Saskatchewan River basin to the Churchill River basin. At its source the 300-yard Frog Portage ran, with a 20-foot drop, to Trade Lake on the Churchill a few miles west of the mouth of the Reindeer River.