The North Platte River is a major tributary of the Platte River in the United States. It flows approximately 600 miles through the states of Wyoming, Colorado, and Nebraska. The river originates in the Wind River Range of Wyoming and is known for its scenic landscapes and recreational opportunities, including fishing and rafting. The North Platte River plays a significant role in irrigation and water supply for agriculture in the region. It also supports various wildlife habitats and is a popular destination for outdoor enthusiasts. The river's watershed is vital for the local ecosystem and economy.