Chinchaga River Chinchaga River Chinchaga is a river in north-western Alberta. It is a tributary of the Hay River. Through the Hay River, its waters are carried to the Arctic Ocean via Great Slave Lake and Mackenzie River. The name Chinchaga is First Nations, and means "Big Wood River". Much of the Chinchaga watershed burned in 1950 during the Chinchaga fire. Chinchaga River originates in the Chinchaga Lakes, a series of small lakes in the muskeg of north-eastern British Columbia, at an elevation of 795 m. It flows east into Alberta, then continues north-east until west of Keg River, where it turns
Mackenzie River Lakes are remnants. Today's Mackenzie River is very young in geologic terms – its channel formed over a period of no more than several thousand years as the ice sheet retreated. Prior to the ice ages, only the Peel River tributary flowed through what is now the Mackenzie Delta into the Arctic Ocean. The other tributaries of the Mackenzie combined into the "Bell River" which flowed east into Hudson Bay. During glaciation the weight of the ice sheet depressed northern Canada's terrain to such an extent that when the ice retreated, the Mackenzie system was captured to lower elevations in