Nisqually River Fishing Season: October is the best month Species: Salmon, Steelhead, Trout Fed by the Nisqually Glacier, this 81 mile river drains the southern slope of Mt. Rainier. Nine tributaries join this river and drain into Puget Sound. Historically, the Nisqually River played an important role in Native American fishing rights. Accessible on Hwy 706 from Elbe to the Nisqually Entrance.