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Which lakes supply the main headwaters of the Yukon River?
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Yukon River
Five Finger Rapid on the upper Yukon River in Yukon.
The main headwaters of the Yukon River flow from Atlin Lake and Tagish Lake, located near the border between British Columbia and the Yukon territory.1
While the river's total length is sometimes measured from the headwaters of the McNeil Riverāa tributary of the Nisutlin Riverāthe primary headwaters that form the main course of the Yukon originate from the aforementioned lakes.12