Wheeler Geologic Area

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Location of the Wheeler Geologic Area within Colorado

The Wheeler Geologic Area is a highly eroded outcropping of layers of volcanic ash, located in the La Garita Mountains of Mineral County, in southern Colorado in the western United States. The ash is the result of eruptions from the La Garita Caldera approximately 25 millions years ago.

The area was designated a National Monument from 1908 until 1950. It is now part of the La Garita Wilderness Area and administered by the Rio Grande National Forest. Lying just below the crest of the range at an elevation of 11,960 feet (3645 m), it can best be reached via the East Bellows Trail (FS790).


Ash formations in the Wheeler Geologic Area, looking northeast.
Ash formations in the Wheeler Geologic Area, looking northeast.


The formations are named after Captain George M. Wheeler, who explored and surveyed this area in 1874 for the U.S. Army.


[edit] Further Reading

"Hiking Colorado", by Caryn and Peter Boddie (1991). ISBN 1-56044-377-4


[edit] External Links