Unit 422

Key terrain anchors include Horse Mountain and Halfmoon Peak as visible reference points, plus the distinctive basins dotting the interior—Cataract and Carmichael Basins are notable for glassing. The Sun River and Deep Creek drainages serve as primary navigation corridors. Cataract Falls and Double Falls mark water features along travel routes.

Passes like Elbow Pass, Welcome Pass, and Elk Pass funnel game and provide route options through the ridgelines. The USFS trail system is navigable, with Trails 128 and 223 offering established passages through Blacktail Gulch and connecting to Sun Canyon Road.

Terrain spans from lower elevation valleys near Highway 287 at around 4,000 feet up into foothill and lower-mountain slopes approaching 9,000 feet. The landscape is primarily rolling country with moderate forest interspersed among open basins and parks. Cataract Basin, Carmichael Basin, and Harrison Basin provide open meadow country while ridgelines like Connors Reef and Falls Creek Ridge offer mixed timber and exposure.

Lower elevations support grasslands and sagebrush with ponderosa and Douglas fir appearing on slopes. The moderate forest density means neither dense timber nor completely open terrain—broken country that rewards knowing specific draws and parks.

Highway 287 provides direct access from the east, making the eastern portion of the unit reachable for day hunters and creating predictable pressure near the corridor. Sun Canyon Road opens the southern approach. The interior relies on USFS trails and scattered secondary roads totaling over 500 miles of road network across the broader area, though density and distribution within the unit specifically are uneven.

Moderate accessibility suggests some roads are closed, seasonal, or require knowledge to locate. The rolling complexity and basin-and-ridge pattern means pressure concentrates along easy-access valleys while the higher ridges and interior basins see less traffic—offering glassing and stalking opportunities for hunters willing to work away from trailheads.

Unit 422 encompasses the Teton County foothill region bounded by U.S. Highway 287 on the east, where Deep Creek enters from the mountains. The western boundary follows the South Fork of Deep Creek up to Erosion Creek, then south via USFS Trail 223 through Blacktail Gulch to Sun Canyon Road, which marks the southern edge before dropping to the Sun River. The unit captures a classic transition zone where valley floors give way to rolling hills and low mountains.

The geography is bounded and linear, making navigation straightforward relative to major road access points.

Water sources are limited but present. The Sun River flows along the southern boundary and provides reliable flow. Deep Creek and its north and south forks drain the western portion, with the South Fork offering more consistent water than the main stem.

Tributary creeks including Cave, Telephone, Cigarette, and Welcome Creeks drain various basins and ridges but vary seasonally. Several named springs and Soap Creek Reservoir exist, though locating reliable sources requires familiarity with the terrain. Cataract Falls and Double Falls indicate water-cut drainages.

The network of basins—Cataract, Carmichael, Harrison—likely hold small seeps and springs worth investigating during scouting.

Elk favor the basins and lower-elevation parks during fall, with herds moving into Carmichael and Cataract Basins early season and climbing ridges as weather cools. Mule deer utilize the sagebrush and open slopes, especially transitions between timber and meadow. Whitetail inhabit creek bottoms and denser timber pockets.

Mountain lions follow deer and elk movement. Early season strategy focuses on glassing the major basins and ridge systems—Horse Mountain and the ridge network provide vantage points. Mid-season hiking trails and parks to intercept elk migrations.

Late season shifts to creek bottoms where water concentration funnels animals. Complexity terrain (7.4/10) demands route planning; knowing trail access points and basin locations separates productive days from wandering. Water sources, once located, become gathering points for all species.