Mackenzie River great depths to bedrock. A characteristic feature of the delta is its numerous pingos, or hills of earth-covered-ice – some 1,400 of them. The Peel River, carrying much of the runoff from the northern Yukon, joins in the delta at a point northeast of Fort McPherson. Below there, the Mackenzie diverges into several large channels with the largest heading north-northeast, emptying into the Beaufort Sea west of Tuktoyaktuk. At , the Mackenzie River drainage basin encompasses nearly 20 percent of Canada. About , or 54 percent of the basin, lies above Great Slave Lake. Permafrost underlies about three-quarters of the
Two Ocean Lake Two Ocean Lake Two Ocean Lake is located in Grand Teton National Park, in the U. S. state of Wyoming. The glacially formed lake is long and can be reached from a parking area adjacent to the lake. The Two Ocean Lake Trail is long and circles the lake passing through forests and clearings. The larger Emma Matilda Lake is one mile (1.6 km) to the south. Two Ocean Lake, in the northeastern portion of the park near Moran, was named for Two Ocean Pass about to the northeast where Atlantic Creek flows east and Pacific Creek flows west. Two