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Slumgullion Earthflow ACEC

Slumgullion Earthflow

 Slumgullion Earthflow ACEC

Location:    Southwest District, Gunnison Field Office (Hinsdale County)

Size:    1,405 acres

Designated:   1993 Gunnison Land Use Plan

Land Manager:    Bureau of Land Management, Gunnison Field Office 


This unit is located approximately 2 miles southeast of Lake City. The ACEC contains part of the Slumgullion Earthflow National Natural Landmark, which is a slow-moving landslide (technically known as a mass wasting phenomenon). The Colorado Natural Areas Program and the National Park Service designated most of the public lands in the unit as a Colorado Natural Area and a National Natural Landmark, respectively. The unit also contains approximately 270 acres of crucial winter range for elk and deer.


BLM Gunnison Field Office  |  650 South 11th Street  | Gunnison, CO 81230 | 
 (970) 642-4940 |
 Monday-Friday 8:00am to 4:00pm