Unit 929 San Juan, Mancos Mesa
Vast, roadless slickrock and canyon desert on San Juan County's western edge — a low-density, high-effort limited-entry mule deer hunt for the self-reliant.
Southeastern Utah — Cedar Mesa / Glen Canyon canyon country · Last reviewed 2026-07-12
Area
971
sq mi
Public land
97%
approx.
Elevation
3,700–6,900
feet
Motorized
limited
access
Overview
The San Juan, Mancos Mesa sub-unit covers the western canyon country of the sprawling San Juan deer unit, running from Cedar Mesa and Grand Gulch west across the Red House Cliffs and Clay Hills onto Mancos Mesa itself, where the land breaks apart into the drowned canyons of the Colorado and San Juan rivers at Glen Canyon. This is some of the most remote, roadless desert in the Lower 48 — nearly all public land, but broken by impassable canyons, slickrock benches and pinyon-juniper flats where deer live at low density. It is a limited-entry buck hunt built on effort and glass, not deer numbers: hunters who put in the miles have a real shot at a mature desert buck, and the canyon rims hold a scattering of desert bighorn.
Terrain
A tilted maze of mesa tops, slickrock benches and deeply incised canyons dropping from Cedar Mesa (roughly 6,500 ft) west and south to the Colorado and San Juan river corridors near Lake Powell (below 4,000 ft). Mancos Mesa, the Red House Cliffs and the Clay Hills form broad benches carved apart by Grand Gulch, Slickhorn, Johns Canyon and countless side drainages.
Cover: Pinyon-juniper woodland blankets the mesa tops and benches, with big sagebrush, blackbrush, cliffrose and grass parks on the flats and cottonwood, willow and tamarisk strung along the few water-holding canyon bottoms; slickrock and bare rimrock make up much of the ground.
Landmarks: Cedar Mesa · Grand Gulch · Mancos Mesa · Red House Cliffs · Clay Hills · Slickhorn Canyon · Johns Canyon · San Juan River canyon · Glen Canyon / Lake Powell · Bears Ears National Monument
Access
Almost entirely public — BLM and Glen Canyon National Recreation Area ground with scattered open SITLA parcels — but access is limited by terrain, not ownership. Roads are rough dirt and slickrock two-tracks (Cedar Mesa/UT-95 corridor, the Clay Hills and Red House Cliffs road, Snow Flat Road) that dead-end at canyon rims; large blocks are reachable only on foot. Much of the country is within Bears Ears National Monument, which remains open to hunting. Verify road conditions and carry recovery gear.
Managers: BLM, NPS Glen Canyon NRA, SITLA, Bears Ears National Monument (BLM/USFS)
Access points: UT-95 and UT-276 corridors · Cedar Mesa / Grand Gulch trailheads off UT-261 · Clay Hills Crossing / Red House Cliffs road · Snow Flat and Kane Gulch area roads · BLM two-tracks off the Bears Ears / Elk Ridge road system
Species notes
Mule Deer
limited trophyThe signature hunt — a limited-entry buck tag over huge, low-density desert country. Deer are scattered and hard to find, but light pressure and older age structure mean a patient hunter glassing big can turn up a heavy, mature desert buck.
- →Glass the pinyon-juniper benches and canyon-head parks from high rims at first and last light
- →Cover ground with optics, not boots — let the glass find deer before you commit to a stalk
- →Hunt near the scarce water sources and green canyon bottoms in warm early conditions
- →Work the roughest rimrock and canyon breaks where old bucks hold, and be prepared for long, difficult recoveries
Bighorn Sheep
limited qualityDesert bighorn use the rugged rims and slickrock above the San Juan and Colorado river canyons — an once-in-a-lifetime tag in Utah and a rare, prized draw for the few who hold it.
- →Glass the cliff bands and talus above the San Juan River and Glen Canyon rims
- →Focus on broken slickrock near water and travel corridors between canyon systems
- →Plan for extremely rugged, technical foot access along the rims
Rocky Mountain Elk
limited opportunityElk are tied to the higher, more timbered ground toward Elk Ridge and the Bears Ears to the east; on the lower Mancos Mesa desert benches they are few and transient.
- →Focus on the higher pinyon-juniper and pockets of timber toward the eastern edge of the unit
- →Check green canyon heads and springs where elk water
- →Expect long odds on the open desert portions
Cougar
common opportunityMountain lions follow the deer through the canyon and rimrock country, which offers ideal ambush terrain.
- →Cut for tracks on the dirt roads and canyon-rim benches after storms
- →Focus effort around deer concentrations and canyon travel routes
Pro tips
- →Treat this as a glassing hunt over enormous country — miles of quality optics work will out-produce miles of walking.
- →Carry far more water than you think you need; reliable sources are scarce and widely scattered.
- →Bring spare tires, extra fuel and recovery gear — a flat or a stuck truck deep in the canyons is a serious problem with no help nearby.
- →Scout the road system in advance; many promising benches are cut off by canyons and require long foot approaches.
- →Plan meat care and pack-out logistics before you shoot — recoveries out of the canyon breaks are brutal in the heat.
Watch out for
- !Extreme remoteness with no services, fuel or cell coverage across most of the unit
- !Scarce water — a genuine safety and hunting constraint
- !Impassable clay and slickrock roads after rain or snow
- !Deep canyons that cut off large blocks of country and make recoveries dangerous
- !Low deer density — success demands patience and effort
Logistics
Blanding is the closest full-service town for fuel, groceries and lodging, with Mexican Hat and Bluff smaller stops to the south and Halls Crossing a marina outpost on Lake Powell. Beyond the paved corridors there are no services — carry extra fuel, water, spare tires and recovery gear. Dispersed camping is available on BLM ground; expect long drives on rough dirt roads and no cell coverage across most of the unit.
Nearest towns: Blanding, Mexican Hat, Bluff, Halls Crossing, Hanksville
Seasons & regulations
This page carries no season dates or regulations. Get current rules from the official Utah sources:
Research sources: GOHUNT — Utah San Juan, Mancos Mesa Unit Profile · UDWR Utah Big Game Application Guidebook 2026 · BLM Bears Ears National Monument · NPS Glen Canyon National Recreation Area
FAQ
- How big is Unit 929 in Utah?
- Unit 929 (San Juan, Mancos Mesa) covers about 971 square miles, ranging from roughly 3,700 to 6,900 feet in elevation. Area is computed from the unit boundary polygon.
- How much public land is in Unit 929?
- Approximately 97% of the unit is public land. Primary managers: BLM, NPS Glen Canyon NRA, SITLA, Bears Ears National Monument (BLM/USFS). Always verify ownership boundaries on the ground.
- What species does the catalog list for Unit 929?
- Mule Deer, Bighorn Sheep, Rocky Mountain Elk, Cougar. For seasons, tags, and regulations, use the official Utah agency resources linked on this page — this page carries no regulatory information.
Put Unit 929 on your map.
Boundary lines, public/private ownership, topo, and offline maps for this unit — in Baseline Maps, free for 14 days.