Tags: Mountain Range.
The La Plata Mountains are a small subrange of the San Juan Mountains in the southwestern part of Colorado United States. They are located on the border between Montezuma and La Plata counties about 12 miles (19 km) northwest of Durango. Their name is Spanish for silver.The peaks of the range are easily visible from U.S. Route 160 which skirts the range on the south. The La Plata River and the Mancos River have their headwaters in the range.