Mackenzie River from the Peace-Athabasca system are significantly slowed by the delta area at the western end of Lake Athabasca causing the lake to rise, and the excess water can only flow out after the rivers have receded. The same phenomenon occurs at Great Slave Lake, which naturally regulates the flow from the Slave River into the Mackenzie. There are river gages at several upstream points along the Mackenzie River. The average flow rate at the outlet of Great Slave Lake is . At Fort Simpson, below the Liard River, it is . At Norman Wells it is , and at the
Two Ocean Lake Ocean Lake only flows into Pacific Creek so the name is a misnomer. 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