Little Sioux is a river located in the state of Iowa, flowing through the northwestern part of the state. It is a tributary of the Missouri River, contributing to the larger river system. The river is approximately 100 miles long and is known for its scenic beauty and recreational opportunities. The Little Sioux area is also home to various wildlife and natural habitats, making it a popular spot for outdoor activities such as fishing, kayaking, and hiking. The river's banks are lined with trees and vegetation, providing a serene environment for visitors and residents alike.