Redstone River
 The Redstone River is a large river in the Northwest Territories of Canada. It is about 289 km (180 mi) long. It is a tributary of the Mackenzie River joining it on the left bank some 100 km (62 mi) north of Wrigley. Draining a rugged and high area of the Mackenzie Mountains the Redstone watershed is sparsely populated; in fact there are no significant settlements within the basin.