San Juan River

The San Juan River is about 640 km (400 miles) long. It rises in the San Juan Mountains in southwestern Colorado and flows generally west through New Mexico and Utah to Lake Powell on the Colorado River.

The Navajo Dam, part of the upper Colorado River storage project, is on the river, which is un-navigable. Its chief tributaries are the Animas, Los Pinos, La Plata, Piedra and Mancos rivers. The San Juan is used for irrigation and vegetables, fruits and grains are grown in the river valley in northwestern New Mexico.

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San Juan River

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