The San Juan River is a major tributary of the Colorado River located in northwestern New Mexico. It flows approximately 383 miles, starting in the San Juan Mountains of Colorado and winding through the Navajo Nation before entering Utah. The river is known for its scenic beauty and recreational opportunities, including fishing, rafting, and kayaking. The river plays a significant role in the local ecosystem and supports various wildlife species. It also provides water for agricultural use and is essential for the communities along its banks. The San Juan River is an important resource for both cultural and economic activities in the region.