San Juan River (Colorado River tributary) in the context of Glen Canyon

La Plata River (Navajo: Tsé Dogoi Ńlíní) is a 70-mile-long (110 km) tributary to the San Juan River in La Plata County, Colorado, and San Juan County, New Mexico, in the United States. This small river heads at the western foot of Snow Storm Peak in the La Plata Mountains of southwestern Colorado, approximately 35 miles (56 km) north of the New Mexico state line. It flows in a southerly direction until it joins the San Juan at the western edge of the city of Farmington, New Mexico, about 19 miles (31 km) south of the Colorado state line.

The Navajo name for the river, Tsé Dogoi Nlini translates as "flowing over projecting rock".

This is a list of dams on the Colorado River system of the southwestern United States and northwestern Mexico. The Colorado runs 1,450 mi (2,330 km) from the Rocky Mountains to the Gulf of California, draining parts of seven U.S. states and two Mexican states. The river system is one of the most heavily developed in the world, with fifteen dams on the main stem of the Colorado and hundreds more on tributaries. Collectively, dams in the Colorado River basin can hold four to five times the river's annual flow, generating hydroelectricity and supplying irrigation and municipal water for over 35 million people.

Dams on tributaries are listed if they are taller than 250 ft (76 m), store more than 50,000 acre⋅ft (62,000 dam), or are otherwise historically notable. Tributary dams are organized into two lists; those in the Upper Basin, defined as the half of the Colorado River basin above Lee's Ferry, Arizona, and the Lower Basin. The Upper Basin include such tributary systems as the Green, Gunnison and San Juan. Tributaries in the Lower Basin include the Little Colorado, Virgin and Gila. A key tributary of the San Juan River, the Animas River, was severely affected by the EPA's accidental August 2015 Gold King Mine waste water spill.

This is a list of rivers in the U.S. state of New Mexico arranged by drainage basin, with respective tributaries indented under each larger stream's name. In mean flow of water per second, the San Juan River Arkansas is New Mexico's largest river, followed by the Rio Grande and the Animas River.