McConnell of the Geological Survey of Canada in 1904 after an indigenous word for “chief.” The Tintina Trench crosses the Continental Divide between the Pacific Ocean and the Arctic Ocean near Finlayson Lake, between Ross River and Watson Lake.
The northwestern part of the valley is occupied by the Yukon River before it flows northwestward into Alaska.
The southern Tintina Trench is drained by the Liard River which first flows south-eastward, then eastward and finally merges into the Mackenzie River at Fort Simpson, NWT where the combined waters turn back north for the Mackenzie's long flow to the Arctic Ocean.
Communities and features of the Trench include the following: The location of the Tintina Trench corresponds with recessive weathering rocks which have been deformed by 450 km of right lateral faulting along the Tintina Fault.
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