Boardman River

The Boardman River (), also known as the Ottaway River () or the Boardman–Ottaway River, is a 28.2-mile-long (45.4 km) river in the northwestern Lower Peninsula of Michigan. It rises in western Kalkaska County, and flows west and north through Grand Traverse County to Grand Traverse Bay, a bay of Lake Michigan, in downtown Traverse City. The river's watershed drains an area of 295 square miles (760 km) through a combined 130 miles (210 km) of river and tributaries. Additionally, the Boardman River is considered one of the top ten trout streams in Michigan.