San Francisco Pass it passes next to Maricunga's salt flat on the Nevado Tres Cruces National Park and Laguna Verde. The area is surrounded by volcanoes and high peaks as the Cerro Falso Azufre (), the volcano San Francisco (), the Incahuasi () and highest volcano in the world, Nevado Ojos del Salado (), among others. San Francisco Pass The San Francisco Pass is a pass over the Andes mountains which connects Argentina and Chile. The highest point of this pass is at AMSL. The pass is located at and connects the Argentine province of Catamarca with the Atacama Region in Chile. In
La Plata Mountains La Plata Mountains 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 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. The Colorado Trail accesses even towards the northern peaks. The best-known and highest peak in the La Plata Mountains is Hesperus