Kakisa River a while, then turns east, where it builds a complex lake and channel system before it empties into the Tathlina Lake at its western extremity. It flows out the north side of the lake and continues north, receives the waters of Gull Creek, then flows into the Kakisa Lake at its southern shore. It flows out at the eastern side of the lake, drops through the Lady Evelyn Falls before it is crossed by the Mackenzie Highway. It continues northwards, then empties into the Mackenzie River, downstream from the Great Slave Lake, at an elevation of . Kakisa River The
Mackenzie River Bear River, the outflow of Great Bear Lake at Tulita. The Mackenzie widens considerably to about at Norman Wells, a major center of oil production. There is a narrows at the Mountain River confluence called the Sans Sault Rapids, where the Mackenzie falls about . Below the Mountain River the Mackenzie flows due north until reaching The Ramparts, a limestone gorge barely wide and up to deep. Below The Ramparts is the village of Fort Good Hope, where the Mackenzie turns northwest again, soon crossing the Arctic Circle. The Mackenzie here flows slightly lower in elevation than the surrounding tundra,