 As part of the expedition, Fiennes and Burton completed the Northwest Passage.They left Tuktoyaktuk on 26 July 1981, in a 18 ft open Boston Whaler made motorboat and reached Tanquary Fiord, 36 days later, on 31 August 1981.Their journey was the first open boat transit of the Northwest Passage from West to East, and covered around , taking a route through Dolphin and Union Strait following the South coast of Victoria and King William Islands, North, via Franklin Strait and Peel Sound, to Resolute Bay (on the southern side of Cornwallis Island), around the South and East coasts of Devon Island, through Hell Gate (near Cardigan Strait) and across Norwegian Bay to Eureka, Greely Bay and the head of Tanquary Fiord.