The San Miguel River is a tributary of the Dolores River, approximately 81 miles (130 km) long, in southwestern Colorado in the United States. It rises in the San Juan Mountains southeast of Telluride and flows northwest, along the southern slope of the Uncompahgre Plateau, past the towns of Placerville and Nucla and joins the Dolores in western Montrose County approximately 15 miles (24 km) east of the state line with Utah.
Click any point for details. Sections without stored geometry are drawn as straight put-in → take-out lines — actual courses follow the river.