Unit 285

Bob Marshall Wilderness Complex

Rolling forested country spanning the Missoula-Powell divide with connected valleys and moderate elevation changes.

Hunter's Brief

Unit 285 is a well-roaded, heavily timbered landscape stretching across the Missoula and Powell County ridgelines. Elevations range from lower valley floors to mid-elevation summits, with dense forest dominating the terrain. Good road access via State Route 83, 200, and multiple forest roads makes navigation straightforward. Water is reliable through the year with multiple creeks, lakes, and springs throughout. Complexity lies in the size and terrain patterns rather than access challenges—hunters need to understand ridge systems and drainage bottoms to cover country efficiently.

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Terrain Complexity
6
6/10
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Unit Area
663 mi²
Moderate
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Public Land
66%
Most
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Access
1.7 mi/mi²
Connected
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Topography
38% mountains
Rolling
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Forest
60% cover
Dense
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Water
1.1% area
Moderate

Terrain Deep Dive

Landmarks & Navigation

Key navigation features include Sheep Mountain commanding the southwestern section, Wolverine Peak anchoring the eastern ridgeline, and the prominent summits of Mount Henry, Richmond Peak, and Gold Creek Peak scattered throughout. Morrell Falls offers a recognizable reference point, while Placid Lake, Florence Lake, and Salmon Lake provide reliable water landmarks. The Swan-Clearwater Divide and Flathead-Blackfoot River Divide function as major ridge systems for orientation.

Ninemile Prairie and Johnsrud Park serve as natural glassing locations and camp staging areas. These landmarks help break the landscape into manageable sections.

Elevation & Habitat

The unit spans from lower valley bottoms near 3,400 feet to mid-elevation summits around 9,000 feet, with most terrain concentrated in the 4,000-7,000-foot zone. Dense forest blankets the majority of the country, transitioning from lower ponderosa and mixed conifer valleys to higher-elevation fir and spruce as terrain climbs. Scattered meadows and flats—including Ninemile Prairie, Johnsrud Park, and Sheep Flats—break the timber pattern and provide natural gathering areas.

This mix of dense forest and alpine parks creates varied habitat zones supporting multiple species through different seasons.

Elevation Range (ft)?
3,3798,967
02,0004,0006,0008,00010,000
Median: 4,908 ft
Elevation Bands
8,000–9,500 ft
0%
6,500–8,000 ft
8%
5,000–6,500 ft
38%
Below 5,000 ft
54%

Access & Pressure

The unit features over 1,100 miles of road density providing connected access via State Route 83 and 200, plus numerous forest roads penetrating the interior. Monture Creek Road, Woodworth Road, and secondary forest roads reach into valley bottoms and trailheads. This road network supports fair accessibility across the unit, though some terrain pockets remain more isolated.

The size and complexity of the terrain (7.0/10 complexity score) means that despite good road access, hunters must actively navigate beyond main routes to avoid crowding. Most pressure concentrates along major roads and established trailheads.

Boundaries & Context

Unit 285 encompasses a large block of Missoula and Powell County terrain anchored by State Route 200 to the south and the Rattlesnake Wilderness boundary to the north. The unit is bounded by the Flathead Indian Reservation on the north and east, with the Swan-Clearwater Divide forming the eastern ridgeline and the Blackfoot-Clearwater WMA boundary marking portions of the southern edge. The Flathead-Blackfoot River Divide creates a major geographical spine running southeast through the unit.

This is rolling country broken by numerous named valleys, drainages, and ridges that provide natural travel corridors and hunting access points.

Land Cover Breakdown?
Mountains (forested)
23%
Mountains (open)
16%
Plains (forested)
38%
Plains (open)
23%
Water
1%

Water & Drainages

Water is abundant across the unit with multiple reliable creeks including Warm Springs Creek, Wild Horse Creek, Monture Creek, and Richmond Creek. Sheep Creek, Burnt Creek, and numerous smaller tributaries feed the drainage system. Named lakes including Placid Lake, Florence Lake, Salmon Lake, and Hidden Lake provide consistent water sources.

Springs are distributed throughout, including Summit Springs and documented spring sources. Creeks also function as travel corridors through the timbered terrain. This moderate-to-reliable water situation supports hunting throughout the season and reduces the need for extensive water planning.

Hunting Strategy

Unit 285 supports elk, mule deer, white-tailed deer, and mountain lion. The dense forest with scattered parks creates classic elk country—concentrate on transition zones where timber meets meadows early and late seasons, and push into high parks during rifle season rut. Mule deer favor the more open ridgetop terrain and clearings; glass elevated parks and glades for early-season opportunity.

White-tailed deer concentrate in riparian corridors and lower timbered valleys. Mountain lion hunting requires understanding ridge systems and drainage bottoms where deer concentrate. The moderate terrain complexity and reliable water support season-long hunting, though understanding specific drainage networks is critical for efficient movement.