The Whetstone River is a small river located in southwestern Wisconsin. It flows through Grant County and is a tributary of the Mississippi River. The river is approximately 30 miles long and is known for its scenic beauty and recreational opportunities, including fishing and kayaking. The Whetstone River's watershed supports a variety of wildlife and plant species, making it an important ecological area. The river's banks are lined with trees and vegetation, providing habitat for birds and other animals. Its waters are generally clear, contributing to the overall health of the surrounding environment.