Unit 331

The Yellowstone Plateau anchors the southern portion, while the Pioneer Mountains frame the western side. Key features for navigation and glassing include Nez Perce Ridge running through the unit, multiple high parks (Elkhorn, Yanks Pasture, Vipond), and distinctive summits like Maverick Mountain and Foolhen Mountain. The numerous basins—Frying Pan, Louie Lowe, and Kearns—concentrate wildlife and provide natural hunting stages.

Big Hole Pass and Alder Pass offer ridge crossings, while Big Hole and Sheep Canyon provide drainage corridors worth exploring.

The unit spans from mid-elevation rolling terrain to high alpine country, with the Yellowstone Plateau forming a significant portion of the landscape. Dense forest dominates the higher elevations and rolling slopes, interspersed with natural meadows and open parks that break the timber. The combination of elevation change and forest cover creates distinct seasonal habitat zones—lower slopes and valleys support mule deer and whitetail, while elk utilize higher basins and parks.

Scattered flats like Triangle Park, Argenta Flats, and multiple named meadows provide crucial grazing areas and travel corridors through otherwise continuous timber.

Over 1,700 miles of roads provide substantial access throughout the unit, with Route 278, Route 43, and Interstate 15 offering easy entry points from multiple directions. This connectivity attracts significant hunting pressure, particularly near staging areas accessible from Wisdom and Divide. The road network allows vehicle access deep into the country, reducing need for extended backpacking but concentrating hunter presence along corridors and near major meadows.

Navigating away from road-accessible areas and popular meadows becomes critical for finding less-pressured country in a unit of this size.

Unit 331 sits in southwestern Montana between Wisdom and Divide, bounded by Route 278 on the west and south, Interstate 15 on the east, and Route 43 on the north. The unit encompasses portions of Beaverhead, Deer Lodge, Silverbow, and Madison counties, creating a vast landscape anchored by the Yellowstone Plateau to the south and Pioneer Mountains to the west. This positioning puts the unit at the transition between lower valleys and significant mountain terrain, with major highways providing straightforward access from multiple directions.

Despite the vast landmark list naming numerous springs and streams, actual reliable water is limited and requires verification before planning water-dependent camps. Major drainages including Woody Creek, Poison Creek, and multiple forks provide seasonal water but may not sustain dry camps. Named springs (Jackson Hot Springs, Best Spring, Albers Spring) and lakes (Grassy Lake, Bobcat Lakes, Steer Lake) offer potential water sources, though their reliability varies seasonally.

Hunters must plan water access carefully—relying on surface springs and creeks identified during scouting rather than assuming named features hold year-round flow.

Unit 331 holds elk, mule deer, whitetail, and mountain lion historically. Elk utilize high parks and basins during early season before moving to more remote timber as pressure increases; the numerous parks and meadows provide scouting and glassing opportunities. Mule deer occupy the rolling timbered slopes and transition zones, particularly in early season when they're higher, moving down as temperatures cool.

Whitetail concentrate in brushy drainage bottoms and riparian areas. The complexity of the terrain and extensive road access creates a hunt requiring detailed scouting and willingness to leave established routes. Success hinges on finding less-pressured pockets and understanding seasonal movement between high parks and timber refuges.