Mexican Mountain Wilderness
Mexican Mountain Wilderness is a 76,413-acre wilderness area in Emery County, Utah. It rises from about 4,269 to 7,014 ft. The nearest town is Green River, 11.6 miles away in a straight line.
Mexican Mountain Wilderness map
Mexican Mountain Wilderness boundary from USGS PAD-US or the managing agency, simplified for display. Not for navigation or legal boundaries.
Fire restrictions
3 fire restriction orders are recorded for this unit as of Sept. 30, 2026. Each links the signed order.
- Bureau of Land Management (BLM) - West Desert District (Stage 1) Effective Sept. 5, 2026. Applies to land covered by this Utah Fire Info order. Stage 1. Listed as Active on Utah Fire Info. The signed order states the exact area, what it prohibits, and exemptions.
- Bureau of Land Management (BLM) - Cottonwood Fire Closure Effective June 26, 2026. Applies to all BLM land in Utah. Listed as Active on Utah Fire Info. The signed order states the exact area, what it prohibits, and exemptions.
- Bureau of Land Management (BLM) - Statewide (Prevention Order) Effective June 17, 2025. Applies to all BLM land in Utah. Listed as Active on Utah Fire Info. The signed order states the exact area, what it prohibits, and exemptions.
Utah Fire Info, Utah DNR's interagency fire information hub, keeps the Utah fire restrictions map and signed orders for every fire zone, and a Utah fire map of active fires.
Common questions
- Green River, UT is the nearest town, 11.6 miles in a straight line from the boundary (not a driving distance).
- The highest ground in Mexican Mountain Wilderness is about 7,014 ft, and its lowest about 4,269 ft (USGS 3DEP elevation model). Its highest named summit is Window Blind Peak, about 7,014 ft.
Who manages Mexican Mountain Wilderness
| Agency | Acres | Permit | Group size | Stay limit | Office |
|---|---|---|---|---|---|
| BLM | 76,413 | Not on record | Not on record | Not on record | Not on record |
Getting to Mexican Mountain Wilderness
- Green River, UT is the nearest town, 11.6 miles in a straight line from the boundary (not a driving distance). (US Census places, accessed 2026-09-29)
- Access roads named on the area's wilderness.net page: Green River Cutoff Road, Buckhorn Draw Road, Mexican Mountain Road.
Position, roads and vehicle notes: wilderness.net page for Mexican Mountain Wilderness, accessed 2026-09-29. Roads and conditions change; check with the managing office before driving in.
Trailheads at Mexican Mountain Wilderness
- Cottonwood Wash Trailhead (inside the boundary, 4,846 ft), at 39.0809, -110.4361
- Lower Black Box Trailhead (inside the boundary, 5,494 ft), at 38.9585, -110.4901
- Upper Black Box East Trailhead (inside the boundary, 5,417 ft), at 39.0125, -110.5381
- Upper Black Box West Trailhead (inside the boundary, 5,228 ft), at 39.0215, -110.5653
- Horse Thief Trailhead (0.01 mi outside the boundary, 4,581 ft), at 39.0221, -110.3969
- Swaseys Leap Trailhead (0.01 mi outside the boundary, 5,173 ft), at 38.9861, -110.4995
- Cow, Calf, and Pine Canyon (0.23 mi outside the boundary, 5,245 ft), at 39.1057, -110.6701
- Johansen Corral (0.74 mi outside the boundary, 5,132 ft), at 39.0776, -110.6854
Trailhead locations: BLM recreation sites layer , accessed 2026-09-29. Elevations from USGS 3DEP.
Named summits, canyons, and springs in Mexican Mountain Wilderness
- Window Blind Peak summit
- Mexican Mountain summit
- Assembly Hall Peak summit
- East Fork Red Canyon canyon
- Leanhart Canyon canyon
- Sulfur Spring spring
- Sulphur Spring spring
- Moonshine Waterhole lake
Features whose official location is inside the boundary, from the USGS Geographic Names Information System, accessed 2026-09-29. Summit elevations measured on the USGS 3DEP elevation model, which can read a few feet under a surveyed summit height.
Public lands next to Mexican Mountain Wilderness
- Wilderness areaMexican Mountain Wilderness borders Sid's Mountain Wilderness.
- Wilderness areaSan Rafael Reef Wilderness is 1.2 miles away, straight line between the two boundaries.
Measured between the units' boundaries as mapped in USGS PAD-US. Distances are straight line, not driving.
Other wilderness areas in Utah
- https://wilderness.net/visit-wilderness/?ID=797 (accessed 2026-09-29)
- https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/1/TIFF/current/n39w111/USGS_1_n39w111.tif (accessed 2026-09-29)
- https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/1/TIFF/current/n40w111/USGS_1_n40w111.tif (accessed 2026-09-29)
- https://prd-tnm.s3.amazonaws.com/StagedProducts/GeographicNames/DomesticNames/DomesticNames_UT_Text.zip (accessed 2026-09-29)
- https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2025_Gazetteer/2025_gaz_place_49.txt (accessed 2026-09-29)
- https://gis.blm.gov/arcgis/rest/services/recreation/BLM_Natl_Recs_pts/MapServer/14 (accessed 2026-09-29)