Wild Horse Herd Management Areas Idaho Wild Horse Herd Management Areas (HMAs)
Appropriate Management Levels and Populations | | Field Office | Herd Management Area | Appropriate Management Level (AML) | Population Estimate
| | Boise | Black Mountain | 60 | 73 | | Hardtrigger | 130 | 118 | | Sands Basin | 64 | 54 | | Four-Mile | 60 | 66 | | Saylor Creek | NA | 201 | | Challis | Challis | 185 | 185 |
Idaho Wild Horse Herd Management Areas (HMAs)
Acres by HMA | | Field Office | Herd Management Area | Federal | Private | State | Other | Total | | Boise | Black Mountain | 47,415 | 1,273 | 2,214 | . | 50,902 | | Hardtrigger | 61,616 | 3,371 | 4,433 | . | 69,420 | | Sands Basin | 9,384 | 1,382 | 896 | . | 11,662 | | Four-Mile | 15,439 | 1,124 | 1,471 | . | 18,032 | | Saylor Creek | 94,978 | 1,147 | 5,748 | . | 18,034 | | Challis | Challis | 154,150 | . | . | 10,570 | 164,720 |
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