The Platte River is a 29.5-mile-long river in the northwestern Lower Peninsula of Michigan. Beginning at Long Lake in Grand Traverse County, the Platte River flows west across Benzie County before ending at Platte Bay, a small bay of Lake Michigan, in the Sleeping Bear Dunes National Lakeshore. The river drains an area of about 193 square miles.
Country: United States
State: Michigan
Settlements: Lake Ann, Platte River
Length: 29.5 mi (47.5 km)
Progression: Long Lake → Platte River → Lake Michigan → Lake Huron