This account of the discovery of the Mackenzie River, N.W.T. by Alexander Mackenzie in 1789 includes stories from the oral tradition of the Dene and excerpts from explorers' journals, with comparisons of native and white perspectives on the region (Denendeh), its people and the river (Dehcho). Includes a map of the western N.W.T. and Yukon showing Dene placenames, illustrations with captions in Gwich'in, North Slavey, South Slavey, Chipewyan and Dogrib, and photographs by Rene Fumoleau.