[1] Until 2016,[2] it originated in the Kaskawulsh Glacier, then ran approximately 15 mi (24 km) into the southern terminus of Kluane Lake.
[4] Where the meltwater of the Kaskawulsh Glacier had been draining in two directions, now it was all draining into the south-flowing Kaskawulsh River, and further on into the Gulf of Alaska, drastically reducing the size of the Slims.
[6][7] The Slims River was purportedly named after a pack horse that drowned while attempting to ford the stream during the 1903 Kluane gold rush.
[8] It is crossed by the Alaska Highway at Mile 1065 (Kilometre 1704) just south of its confluence with the lake.
This article related to a river in Yukon, Canada is a stub.