Whitehorse is the capital of the Yukon. To reach it from Venise-en-Québec, you must fly from Montreal (YUL) to Whitehorse (YXY) with connections in Vancouver or Calgary. Driving is a massive undertaking across the continent and is only recommended for experienced long-distance travelers.
Total Distance: 6,000 km driving, 4,500 km air distance.
Air North is a great local airline for Yukon travel.
June to August for the Midnight Sun and hiking.