The Duchesne River is a tributary of the Green River located in northeastern Utah, USA. It flows through the scenic Duchesne County and is approximately 80 miles long. The river originates in the Uinta Mountains and travels through various landscapes, including forests and canyons, before joining the Green River. The Duchesne River is popular for recreational activities such as fishing, kayaking, and camping. It supports a diverse ecosystem, home to species like trout and various birds. The river also plays a vital role in local agriculture by providing irrigation water to nearby farms and communities.