GMU 29 Unit 29 — Tucson
Malpai borderland grasslands and the Peloncillos — Coues whitetail, desert mule deer and good bear numbers
Southeastern borderlands — Coronado NF (Peloncillo Mountains) · Last reviewed 2026-07-12
Area
1,016
sq mi
Public land
45%
approx.
Elevation
3,700–6,600
feet
Motorized
moderate
access
Overview
Unit 29 occupies Arizona's extreme southeastern corner, tucked against the New Mexico line and the Mexico border. It is big, open borderland country — the San Bernardino and San Simon valleys, the rugged Peloncillo Mountains and the Guadalupe range — much of it working cattle ranch. Coues whitetail are the marquee deer, holding the oak-grassland foothills and canyon country, with desert mule deer scattered across the valleys. The forested canyons support a notably good black bear population for southern Arizona. Coues deer account for the great majority of the harvest.
Terrain
Rolling semi-desert grassland basins broken by the low but rugged Peloncillo and Guadalupe mountains along the state line.
Cover: Vast Chihuahuan-influenced grasslands with mesquite, yucca and agave; oak-juniper and evergreen oak woodland in the higher canyons and on the Peloncillo ridges.
Landmarks: Peloncillo Mountains · Guadalupe Mountains · San Bernardino Valley · San Simon Valley · Skeleton Canyon · Geronimo Trail · San Bernardino NWR (Slaughter Ranch)
Access
This is heavily ranched country — private land and AZ State Trust parcels dominate the valleys, so a State Land recreation permit and, where needed, landowner permission are essential. The Coronado NF's Peloncillo Mountains and scattered BLM offer the main open public ground. The San Bernardino NWR is not open to general hunting. Expect a strong Border Patrol presence and border-related activity near the international line.
Managers: Private ranch, AZ State Trust, USFS Coronado NF, BLM, USFWS (San Bernardino NWR)
Access points: Geronimo Trail (Douglas east) · Skeleton Canyon · Guadalupe Canyon · Portal / Paradise area (west edge) · Hwy 80 corridor · State Line Rd
Species notes
Whitetail Deer
common qualityCoues whitetail are the primary deer and drive nearly all of the deer harvest, favoring the oak-grassland foothills and the canyons of the Peloncillo and Guadalupe ranges.
- →Set up to glass oak-brush slopes and canyon heads at first and last light
- →Hunt the December rut when bucks move during daylight
- →Work the grassland-to-oak transition where Coues bed and feed
- →Cover ground with optics rather than walking — these deer are small and cryptic
Mule Deer
limited opportunityDesert mule deer are scattered across the valley grasslands and lower bajadas, a secondary option to the dominant Coues.
- →Glass open grassland flats and washes at dawn
- →Check mesquite draws and desert drainages near water
- →Focus rolling terrain between the mountain ranges
Black Bear
common opportunityThe Peloncillo and Guadalupe canyons hold a healthy black bear population — good numbers for far southern Arizona, though hunter success runs low.
- →Glass and still-hunt oak canyons when acorns and manzanita ripen in fall
- →Watch riparian corridors and canyon bottoms for feeding sign
- →Cover a lot of country and be patient at high-percentage food sources
Pro tips
- →Line up access early — with so much private ranch and State Trust ground, a State Land permit and landowner permission are make-or-break
- →Glass, glass, glass: a tripod-mounted binocular and spotting scope find far more Coues than boot leather
- →Hunt the December rut for your best shot at a mature buck
- →Carry your paperwork and be prepared for Border Patrol checkpoints and questions near the line
- →This is remote country — fuel up in Douglas, pack extra water, and let someone know your plan
Watch out for
- !Heavy private ranch and AZ State Trust ownership — secure a State Land recreation permit and permission before hunting
- !San Bernardino NWR is closed to general hunting
- !International border proximity: expect Border Patrol activity and possible smuggling traffic — stay aware and avoid the immediate borderline at night
- !Remote, water-scarce desert — carry ample water and be self-sufficient
- !Rough, muddy-when-wet ranch and canyon roads far from help
- !Fire restrictions in dry years
Logistics
Douglas is the main supply hub for fuel, groceries and lodging; tiny Rodeo, NM and Portal, AZ offer limited services near the eastern canyons. Roads are mostly graded dirt ranch and forest routes — the Geronimo Trail and Guadalupe Canyon roads can be rough and remote, so travel with recovery gear, extra fuel and plenty of water.
Nearest towns: Douglas, Rodeo (NM), Portal, Animas (NM), San Simon
Seasons & regulations
This page carries no season dates or regulations. Get current rules from the official Arizona sources:
Research sources: Arizona Game and Fish Department — Game Management Units & Hunt Arizona · USDA Forest Service — Coronado National Forest · Arizona State Land Department — Recreational Permits
FAQ
- How big is GMU 29 in Arizona?
- GMU 29 (Unit 29 — Tucson) covers about 1,016 square miles, ranging from roughly 3,700 to 6,600 feet in elevation. Area is computed from the unit boundary polygon.
- How much public land is in GMU 29?
- Approximately 45% of the unit is public land. Primary managers: Private ranch, AZ State Trust, USFS Coronado NF, BLM, USFWS (San Bernardino NWR). Always verify ownership boundaries on the ground.
- What species does the catalog list for GMU 29?
- Whitetail Deer, Mule Deer, Black Bear. For seasons, tags, and regulations, use the official Arizona agency resources linked on this page — this page carries no regulatory information.
Put GMU 29 on your map.
Boundary lines, public/private ownership, topo, and offline maps for this unit — in Baseline Maps, free for 14 days.