YETILocation: Alsek River (Yukon, British Columbia & Alaska)Assignment: 160 miles through one of the wildest watersheds in North America View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize