San Juan Mountains
| San Juan Mountains | |
|---|---|
San Juan Mountains seen from the San Juan Skyway.
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| Highest point | |
| Peak | Uncompahgre Peak |
| Elevation | 14,309 ft (4,361 m) |
| Coordinates | 38°04′18″N 107°27′14″W / 38.07167°N 107.45389°WCoordinates: 38°04′18″N 107°27′14″W / 38.07167°N 107.45389°W |
| Geography | |
| Country | United States |
| State | Colorado |
| Parent range | Rocky Mountains |
The San Juan Mountains are a high and rugged mountain range in the Rocky Mountains in southwestern Colorado, and is the largest mountain range in Colorado by area. The area is highly mineralized (the Colorado Mineral Belt) and figured in the gold and silver mining industry of early Colorado. Major towns, all old mining camps, include Creede, Lake City, Silverton, Ouray, and Telluride. Large scale mining has ended in the region, although independent prospectors still work claims throughout the range. The last large scale mines were the Sunnyside Mine near Silverton, which operated until late in the 20th century and the Idarado Mine on Red Mountain Pass that closed down in the 1970s. Famous old San Juan mines include the Camp Bird and Smuggler Union mines, both located between Telluride and Ouray.
The Summitville mine was the scene of a major environmental disaster in the 1990s when the liner of a cyanide-laced tailing pond began leaking heavily. Summitville is in the Summitville caldera, one of many extinct volcanoes making up the San Juan volcanic field. One, La Garita Caldera, is 35 miles (56 km) in diameter. Large beds of lava, some extending under the floor of the San Luis Valley, are characteristic of the eastern slope of the San Juans.
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Wikipedia