Yukon Plateau of the central Yukon west of the Mackenzie Mountains. The Tintina Trench, which the majority of the river's waters flow in, is the northernmost extension of the Rocky Mountain Trench, which stretches well south to British Columbia. The river is navigable by small and medium-sized craft for over , from its mouth to Hoole Rapids, except for a shallow stretch of the river in Bradens Canyon. The Yukon communities of Ross River, Faro and Pelly Crossing are all on the Pelly River. There are bridges across the Pelly in Pelly Crossing (where it crosses the Klondike Highway) and in Faro, as well as a cable ferry at Ross River on the Canol Road. The river's average discharge is about and it drains about of land. Because the river is fed primarily by glacier melt, the highest average flow is reached around June or July at up to , and the lowest is in December or January as low as . Hazards Volcanoes near the Pelly River, such as Volcano Mountain, may have once partly blocked or at least altered the Pelly River. Any future activity in this area could disrupt the course of the river and could have a serious impact on people living or working downstream. See also List of longest rivers of Canada List of rivers of Yukon References External links Rivers of Yukon Tributaries of the Yukon River