His big contribution came not from the McKenzie but the Middle Fork of the Salmon River. How did that come about? Dersham: The Salmon River has a lot of very large rapids. In the big curl-back ...

The Mackenzie River originates from the Great Slave Lake ... The Slave River has four major rapids ranging from Class 1 to 6 for paddling, Cassette, Pelican, Mountain and Rapids of the Drowned.

In a test of skill and courage, competitors navigate dangerous river rapids, narrow channels and ... surpassed only by the Mackenzie River in the Northwest Territories. Guilbert Gates A racer ...