GMU 34B Unit 34B — Tucson
Whetstone Coues bucks over rolling Sonoita grassland
Southern sky islands & grasslands — Whetstone Mtns / Las Cienegas · Last reviewed 2026-07-12
Area
501
sq mi
Public land
70%
approx.
Elevation
3,700–7,711
feet
Motorized
moderate
access
Overview
Unit 34B wraps the eastern Santa Ritas, the Whetstone Mountains, and the rolling desert grasslands of the Las Cienegas National Conservation Area around Sonoita. Coues whitetail hold the oak-covered mountains while the open grasslands support a small, tightly limited pronghorn herd and scattered desert mule deer on the fringes. It is quieter than neighboring 34A, with a mix of BLM conservation land, Forest Service canyons, State Trust and working cattle ranches.
Terrain
Two distinct pieces: the steep, oak-and-juniper Whetstone Mountains and eastern Santa Rita foothills, and the broad, gently rolling desert grassland basin of Las Cienegas and the Sonoita/Empire country between the ranges.
Cover: Rolling native grassland with mesquite and scattered oak on the flats; dense evergreen oak, juniper and manzanita climbing the Whetstone slopes; riparian cienega and cottonpwood along Cienega Creek and Empire Gulch.
Landmarks: Whetstone Mountains (Apache Peak ~7,711 ft) · Las Cienegas National Conservation Area · Empire Ranch · Cienega Creek · Mustang Mountains · French Joe / Dry / Mine Canyons
Access
The Las Cienegas NCA (BLM) is open public land and forms the grassland core; the Whetstone Mountains are largely Coronado NF. A State Trust recreation permit is required for state land, and several working ranches — Empire, Emperita, Bar V, Sands and Clyne — hold private inholdings and grazing leases; respect boundaries and closed gates. AZ Highways 82 and 83 and the Las Cienegas / Empire Ranch road network provide the main entry.
Managers: BLM (Las Cienegas NCA), USFS Coronado NF (Whetstones), AZ State Trust, Private
Access points: Las Cienegas NCA / Empire Ranch Road (off AZ-83) · AZ-82 between Sonoita and Whetstone · French Joe Canyon Road (Whetstones) · Gardner Canyon / eastern Santa Rita roads
Species notes
Whitetail Deer
common qualityCoues whitetail are the primary deer and the backbone of the unit's harvest, concentrated in the oak of the Whetstones and eastern Santa Rita foothills. Success runs around one in four — typical for Coues country that rewards patient glassing.
- →Glass the oak-grass edges of the Whetstones at dawn and dusk
- →Hunt the Whetstone canyon mouths — French Joe, Dry, Mine — where bucks water and travel
- →Time the December–January rut for daytime buck movement in the open oaks
- →Sit high and let optics cover the opposite slope rather than still-hunting the brush
Pronghorn
limited opportunityA small pronghorn herd lives on the rolling Las Cienegas grasslands. Tags are very limited and hard to draw — often a single permit — but the open country makes for a genuine, if rare, grassland hunt.
- →Glass the open Las Cienegas grassland basins from high points
- →Locate bucks early, then plan a terrain-screened stalk across the rolling ground
- →Use the grassland swales and mesquite lines to close distance in the open
Mule Deer
limited opportunityDesert mule deer scatter across the lower grassland-mesquite fringes and washes between the ranges. Fewer than the Coues but a low-country alternative.
- →Glass mesquite draws and grassland edges at first light
- →Check washes and bajada breaks off the east side of the ranges
Pro tips
- →Split your time — glass the Whetstone oaks for Coues, and scout the Las Cienegas grasslands if you're lucky enough to draw pronghorn
- →The rut is the moment for mature Coues bucks; they move in daylight chasing does in the open oaks
- →Carry a State Trust permit and know where BLM Las Cienegas ends and the ranch inholdings begin
- →Quieter than 34A next door — trade a longer drive to the trailheads for less competition
- →Water is scarce; deer key on the few Whetstone canyon seeps and stock tanks — find water, find deer
Watch out for
- !A State Trust recreation permit is required for Arizona State Trust land
- !Working ranch inholdings (Empire, Emperita, Bar V, Sands, Clyne) — respect private boundaries and leave gates as found
- !Pronghorn tags are extremely limited; do not expect an over-the-counter grassland hunt
- !Grassland and Whetstone roads turn to slick clay after rain
- !Limited water across both the grasslands and lower Whetstones — pack your own
Logistics
Sonoita and Elgin offer fuel, food and limited lodging at the unit's heart; Benson (I-10) and Tucson provide full services within 30–60 minutes. The Las Cienegas road network is graded and generally passable to most vehicles when dry, but turns greasy after rain; high-clearance helps on the Whetstone canyon spurs.
Nearest towns: Sonoita, Elgin, Whetstone, Benson, Tucson
Seasons & regulations
This page carries no season dates or regulations. Get current rules from the official Arizona sources:
Research sources: AZGFD GMU 34B Unit Information · Hunt Now Arizona — Unit 34B · AZ Wildlife Conservation Strategy — Whetstone Mountains
FAQ
- How big is GMU 34B in Arizona?
- GMU 34B (Unit 34B — Tucson) covers about 501 square miles, ranging from roughly 3,700 to 7,711 feet in elevation. Area is computed from the unit boundary polygon.
- How much public land is in GMU 34B?
- Approximately 70% of the unit is public land. Primary managers: BLM (Las Cienegas NCA), USFS Coronado NF (Whetstones), AZ State Trust, Private. Always verify ownership boundaries on the ground.
- What species does the catalog list for GMU 34B?
- Whitetail Deer, Pronghorn, Mule Deer. For seasons, tags, and regulations, use the official Arizona agency resources linked on this page — this page carries no regulatory information.
Put GMU 34B on your map.
Boundary lines, public/private ownership, topo, and offline maps for this unit — in Baseline Maps, free for 14 days.