The Kinnickinnic River is a 20-mile-long waterway located in Wisconsin, primarily flowing through Kinnickinnic State Park and the city of River Falls. It is a tributary of the St. Croix River, which eventually joins the Mississippi River. The river is known for its scenic beauty and recreational opportunities, including fishing, kayaking, and hiking along its banks. The Kinnickinnic River is home to various fish species, such as trout and smallmouth bass, making it a popular destination for anglers. The surrounding area features diverse ecosystems, including wetlands and forests, which support a wide range of wildlife. Conservation efforts are in place to protect the river's natural habitat.