The Trona Pinnacles is one of the most unusual geological features in the California Desert Conservation Area. The unusual landscape consists of more than 500 tufa spires, some as high as 140 feet, rising from the bed of the Searles Lake. The pinnacles vary in size and shape from short and squat to tall and thin, and are composed primarily of calcium carbonate (tufa) that formed underwater. They now sit isolated and slowly crumbling away near the south end of the valley, surrounded by many square miles of flat, dried mud and with stark mountain ranges at either side.
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U.S. DEPARTMENT OF THE INTERIOR
BUREAU OF LAND MANAGEMENT
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Ridgecrest Field Office

Wilderness Areas


 

Wilderness Area Name

Size in Acres 
(Federal only)

Public Law 
Number

Designation Date

 Argus Range 65,726 103-433 10/31/1994
 Bright Star 8,191 103-433 10/31/1994
 Coso Range 49,296 103-433 10/31/1994
 Darwin Falls 8,189 103-433 10/31/1994
 El Paso Mountains 23,669 103-433 10/31/1994
 Golden Valley 36,536 103-433 10/31/1994
 Grass Valley 30,121 103-433 10/31/1994
 Kiavah 40,960 103-433 10/31/1994
 Malpais Mesa 31,906 103-433 10/31/1994
 Manly Peak 12,897 103-443 10/31/1994
 Piper Mountain 72,192 103-443 10/31/1994
 Owens Peak 73,573 103-433 10/31/1994
 Sacatar Trail 50,451 103-443 10/31/1994
 Surprise Canyon 24,433 103-433 10/31/1994
 Sylvania Mountains 18,682 103-433 10/31/1994
 White Mountains 24,162 111-11 03/30/2009


Bureau of Land Management
Ridgecrest Field Office
300 S. Richmond Rd.
Ridgecrest, CA 93555
Phone: (760) 384-5400
Fax: (760) 384-5499
Office Hours: 7:30 a.m. - 4:00 p.m., M-F
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