The Leaf River is a river located in north-central Minnesota, flowing through Cass County. It is a tributary of the Crow Wing River, contributing to the area's diverse aquatic ecosystem. The river is known for its scenic beauty and recreational opportunities, including fishing and kayaking. The Leaf River's watershed supports various wildlife and plant species, making it an important natural resource. The surrounding landscape features forests and wetlands, providing habitats for animals. The river is also part of the larger Mississippi River watershed, highlighting its significance in regional water systems.