Unit 3

Keyhole

Low-elevation benchland and basin country near Sundance with scattered ridges and reliable water sources.

Hunter's Brief

Unit 3 is compact benchland surrounding Sundance, spanning lower elevation flats and gentle ridges broken by numerous draws and small canyons. The terrain sits mostly below 5,500 feet with minimal forest cover—primarily sagebrush and grassland with scattered timber on higher benches. Fair road access via county roads and the "D" Road connects staging areas near town; most hunting requires leaving vehicles and working draws and basin edges. Water is consistent through small reservoirs and seasonal creeks. Terrain is straightforward to navigate, making this accessible country for hunters targeting mule and whitetail deer.

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Terrain Complexity
3
3/10
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Unit Area
331 mi²
Moderate
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Public Land
18%
Few
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Access
1.1 mi/mi²
Fair
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Topography
5% mountains
Flat
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Forest
11% cover
Sparse
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Water
3.9% area
Abundant

Terrain Deep Dive

Landmarks & Navigation

Iron Mountain and Pine Knob anchor the unit's higher terrain and serve as useful reference points from multiple vantage angles. Lower Pine Ridge runs through the unit's central area, providing natural travel corridors and glassing opportunities. Monumental City offers a distinctive landmark for orientation.

Key drainages—Deadman Creek, Cabin Creek, and Corral Creek—provide navigation routes through draws and canyons. Oshoto Reservoir and several smaller reservoirs mark reliable water locations and often concentrate wildlife use. The network of named draws (Sage Draw, Cyclone Canyon, Sawmill Canyon) offers natural deer movement corridors worth hunting.

Elevation & Habitat

Terrain sits entirely in the lower-elevation band, ranging between 3,900 and 5,500 feet with most country concentrated around 4,200 feet. This is open benchland and basin country with sparse tree cover—primarily ponderosa pine concentrated on ridgetops and north-facing slopes, while lower elevations support sagebrush grassland and scattered juniper. The habitat transitions between flat basin floors with minimal vegetation and gentle benchland where small ridges emerge.

Whitetail deer favor the riparian corridors and scattered timber; mule deer use the higher benches and open draws. The sparse forest means visibility is good but cover is limited.

Elevation Range (ft)?
3,9275,541
02,0004,0006,000
Median: 4,239 ft
Elevation Bands
5,000–6,500 ft
3%
Below 5,000 ft
97%

Access & Pressure

Fair road access via county roads and the "D" Road connects the unit to Sundance and surrounding areas. The network of 370 road miles suggests reasonable connectivity, though density indicates pockets of access rather than full saturation. Most hunting requires leaving vehicles and working draws and basin edges on foot.

Proximity to Sundance and smaller communities likely draws consistent pressure, especially during early season. However, the sprawling nature of the basin and multiple creek systems provide room to find less-pressured terrain by venturing away from main roads. Water sources and ridge systems offer natural staging points for hunting strategy.

Boundaries & Context

Unit 3 forms a roughly rectangular block anchored by Interstate 90 and U.S. Highway 14 between Sundance and the "D" Road to the west. The northern boundary follows the Oshoto Road and Cabin Creek Road, creating a defined footprint in Crook County's benchland zone. Sundance and smaller communities like Oshoto and Pine Haven sit on or near unit borders, making this one of the more accessible units in the region.

The landscape transitions from lower basin floors around Sundance northward into slightly elevated benches and ridges that define the unit's northern reaches.

Land Cover Breakdown?
Mountains (forested)
2%
Mountains (open)
3%
Plains (forested)
8%
Plains (open)
82%
Water
4%

Water & Drainages

Water is moderate and distributed through small reservoirs and seasonal creeks scattered across the unit. Oshoto Reservoir is the largest impoundment; Fred, Macumba, Houston, Graham, Sommers, Bute, Road, Berger, and Trout Reservoirs provide secondary water sources. Deadman Creek, Cabin Creek, and Corral Creek flow seasonally but can hold water in pools during dry periods.

Springs like Huett Spring and Talbot Spring add reliability in benches. The moderate water profile means deer concentrate predictably around reservoirs and reliable creek sections, especially during late season. Understanding which water sources maintain flow is critical for locating animals in the lower-elevation, open country.

Hunting Strategy

Unit 3 holds both mule and whitetail deer, with whitetails favoring riparian timber and creek bottoms while mules use open benches and higher draws. Early season finds deer scattered across the open grassland and on benches during cool mornings; concentrate on edges where timber meets open country and around water sources as temperatures rise. Rut activity concentrates deer movement through draws and benches—hunt transition zones between open flats and ridge timber.

Late season pushes animals to lower elevations and toward reliable water; follow creeks and reservoir margins. The straightforward terrain and limited cover make glassing effective—work ridges at first light and glass basin floors and draws from elevation. The modest complexity allows efficient coverage of different terrain types in a single day.