LOCATION: The Twin Peaks Herd Management Area is located approximately 25 miles northeast of Susanville, CA. Highway 395 borders the HMA to the west. The Herd Management Area is located in both Lassen County, CA and Washoe County, NV.
ACREAGE: 798,000 acres are managed for wild horses and wild burros
ELEVATION: 4,000 feet to 7,500 feet
TOPOGRAPHY/VEGETATION: The terrain in this HMA consists of large, flat valley bottoms bisected by steep mountains. Dominant vegetation includes sagebrush, bitterbrush, bluebunch, needlegrass and squirreltail.
WILDLIFE: Wildlife occurring in the area includes mule deer, quail, pronghorn antelope, and sage grouse.
HERD SIZE: 448 to 758 head of horses
72 to 116 head of burros
HORSE COLORS: Mostly bay, sorrel, black, gray, with some Appaloosas, duns, and pintos
BURROS COLORS: Mostly black and brown, with some grays
SIZE OF HORSES: 14-16 hands and 900-1100 pounds
SIZE OF BURROS: 11-12 hands and 400-600 pounds
HISTORY: Some of the original horses in this area descended from Spanish Stock. Today the herd is descended from US Army Cavalry remounts released prior to and during World War I, and historic draft and riding ranching stock. Burros likely originated from historic sheep operations in the area.
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