The Thornapple River is a scenic waterway located in the state of Michigan. It flows for approximately 40 miles, starting in Barry County and winding through Kent County before emptying into the Grand River. The river is known for its recreational opportunities, including fishing, kayaking, and canoeing. Surrounded by lush forests and farmland, the Thornapple River supports a diverse ecosystem. It is home to various fish species, such as trout and bass, making it a popular spot for anglers. The river also provides habitat for wildlife, contributing to the natural beauty of the region.