Unit 28
Remote high-country mule deer terrain spanning multiple river drainages with steep, timbered ridges and limited access.
Hunter's Brief
Unit 28 is a sprawling, mountainous chunk of central Idaho covering the Deadwood, Middle Fork Salmon, and South Fork Payette drainages. Terrain climbs from river bottoms into steep, forested ridges with numerous high basins and alpine lakes. Road access is sparse and seasonal; most hunters stage from Yellowjacket or Leesburg and pack in. The country is rugged and complex—expect significant elevation changes, scattered meadows for glassing, and considerable distances between water sources. This is serious backcountry where solitude and physical demands go hand-in-hand.
- Compact: under 200 sq mi
- Moderate: 200 - 800 sq mi
- Vast: over 800 sq mi
- Few: under 25%
- Some: 25 - 60%
- Most: over 60%
- Limited: under 0.7 mi/mi² (backcountry)
- Fair: 0.7 - 1.5 mi/mi²
- Connected: over 1.5 mi/mi² (well-roaded)
- Flat: under 20% mountains
- Rolling: 20 - 55%
- Steep: over 55%
- Sparse: under 20%
- Moderate: 20 - 50%
- Dense: over 50%
- Limited: under 0.3% area
- Moderate: 0.3 - 2% area
- Abundant: over 2% area
Terrain Deep Dive
Landmarks & Navigation
Key landmarks for orientation and hunting strategy include the Yellowjacket Mountains to the northwest and named ridges like Fishing Ridge, Fluorspar Ridge, and Antler Ridge that serve as natural travel corridors. High peaks—Lake Mountain, Gant Mountain, and Copper Mountain—offer glassing vantage points, though accessing them requires serious elevation gain. Several alpine lakes (Crater, Cougar, Castle Lakes, Golden Trout) mark water sources in high basins and can concentrate game in late summer.
The Devlin Falls and Napias Creek Falls areas provide landmark navigation in canyon country. Williams Creek Summit and Morgan Creek Summit mark ridge crossings between major drainages. These features are essential for route-finding in a unit where visibility is often limited by timber.
Elevation & Habitat
The unit spans from river bottoms near 3,000 feet to alpine ridges above 9,900 feet, with most terrain clustered in the 6,500 to 9,500-foot zone. Dense conifer forests dominate the middle and upper elevations—Douglas fir and spruce-fir mixes on north slopes, with lighter ponderosa stands on south-facing aspects. Scattered throughout are high meadows like Frog Meadows, Camas Meadows, and Hoodoo Meadows that provide crucial summer forage and glassing opportunities.
River valleys support riparian vegetation and occasional aspen patches. The combination of steep terrain and dense timber creates isolated basins ideal for mule deer summer range, though the rugged topography limits usable acreage compared to the overall unit size.
Access & Pressure
Road density is low, with roughly 1,400 miles of roads spread across vast terrain—most are old logging and mining roads, not maintained highways. Access is concentrated around Yellowjacket and Leesburg on the periphery; internal road penetration is minimal. This naturally limits hunter pressure to the early season when most crowds hit roads near populated areas and river valleys.
The steep terrain and dense forest mean most hunting requires foot traffic or pack animals into backcountry. High-elevation basins remain largely lightly hunted due to access difficulty. Early season sees the most pressure along accessible drainages; late season pressure diminishes significantly as weather and snow limit road access, creating opportunity for hunters willing to negotiate rough terrain and cold conditions.
Boundaries & Context
Unit 28 encompasses multiple drainages across Lemhi and Custer counties in the Frank Church-Wilderness of No Return ecosystem. The unit's western boundary follows the Deadwood River and Salmon River system, while eastern boundaries track the South Fork Payette River drainage and tributary creeks. Several small communities—Yellowjacket, Leesburg, and Blackbird—sit on the unit's periphery and serve as staging points.
The unit's complexity stems from its size and the interconnection of three major river systems with countless tributary canyons, ridges, and high basins, creating a landscape that demands serious navigation skills and physical conditioning.
Water & Drainages
Water is scattered and seasonal. The major rivers—Deadwood, Middle Fork Salmon, and South Fork Payette—run year-round but are confined to steep canyons. Numerous named creeks (Duck, Panther, Weasel, Pole) provide summer flow, though reliability decreases with elevation gain.
Alpine lakes and scattered springs (Corbett Spring, Hot Springs, Magpie Spring) offer water in high basins, critical for mid-summer hunting. Lower elevations depend heavily on creek drainages; hunters in upper basins must plan carefully for water access. The limited number of perennial sources in high country means game concentrations shift seasonally around reliable water, making water location knowledge essential for success.
Hunting Strategy
Unit 28 is mule deer country across multiple elevations. Summer distribution finds deer in high basins above 8,000 feet, using meadows like Goodluck and Hoodoo for feeding and ridges for security. Early season hunting focuses on high meadows and basin transitions—glass from ridges at first light, then work timber edges where deer move between bed and feed.
The Yellowjacket Mountains and northern ridges concentrate early-season deer. As temperatures drop, deer migrate downslope toward mid-elevation transitions and valley bottoms. Late season finds them in lower river drainages and south-facing timber.
Success depends on understanding elevation movement patterns and accepting that this terrain demands slow, careful hunting through dense cover. Most hunts will be pack-in affairs; day-hiking limits effective range given the steep country and distance between glassing spots.