The Big Siskiwit River is an 8.1-mile-long (13.0 km)[1] river on Isle Royale in Lake Superior, in the U.S. state of Michigan. It flows west to east in the southern part of the island, entering Lake Superior at Siskiwit Bay.
^U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National MapArchived 2012-03-29 at the Wayback Machine, accessed May 1, 2012