Unit 25
Big Piney - Off National Forest
High-elevation sagebrush basins and ridges between the Green River and Hoback drainages.
Hunter's Brief
Unit 25 is a sprawling high-country area characterized by rolling sagebrush flats, scattered ridges, and numerous creeks draining toward the Green River. The terrain sits in the 6,500 to 9,700-foot range with sparse timber, making it relatively open country despite its size. Access via BLM and county roads allows entry from multiple directions, though roads are modest in quality. Water comes from reliable creek systems and scattered springs, supporting moose habitat in riparian areas and willows. Expect moderate terrain complexity and limited competition from other hunters.
- 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
The Hogsback Ridge system dominates the east side and provides excellent orientation and glassing vantage points. Muddy Bench to the south and Haines Flat to the north offer terrain breaks for navigation. Key creeks including Indian Creek, Park Creek, and Fish Creek run through major drainages and serve as both water sources and travel corridors.
Grindstone Butte, Chimney Butte, and Cretaceous Mountain provide recognizable summits for locating yourself. The Rim—the divide between Green and Hoback drainages—marks the northern boundary and is a significant geographic feature visible across the unit.
Elevation & Habitat
Elevations span from roughly 6,500 feet in the lower basins to near 9,800 feet on the high ridges, with most terrain in the mid-elevation band. The landscape is predominantly open to rolling sagebrush country broken by scattered ponderosa and aspen stands on north-facing slopes and riparian willow bottoms along creeks. Ridges like the Hogsback and Ross Ridge offer higher-elevation habitat with sparse conifer cover.
Lower basins including Soap Hole and Dry Basin support sage-steppe vegetation. The terrain transitions between sagebrush flats and timbered drainages, creating diverse habitat zones suitable for multiple species.
Access & Pressure
Nearly 585 miles of roads thread through the unit, primarily BLM and county roads ranging from rough two-track to maintained dirt routes. US Highway 191 provides northern boundary access; Burma Road, Yellow Point Road, and Steed Canyon Road offer main entry corridors. The sparse road density relative to unit size means most hunters concentrate near main routes, leaving inner basins and creek bottoms less pressured.
Multiple trailheads and parking areas along county roads allow varied entry points. Expect moderate pressure during moose season, with less traffic away from primary road systems.
Boundaries & Context
Unit 25 spans the country between US Highway 191 along the Hoback Rim to the north and US Highway 189 to the west, encompassing the upper Green River drainage basin. The unit is bounded by the divide between the Green and Hoback rivers on the north, the Burma Road and Yellow Point Road corridor on the east, and extends south through Steed Canyon and Delaney Canyon drainages. Major towns nearby include Big Piney, Daniel, and LaBarge, providing staging points for access.
The unit contains a mix of public and private land with multiple access corridors, making it accessible but not heavily developed.
Water & Drainages
The unit is well-watered for its semi-arid elevation, with multiple perennial creeks including Indian Creek, Fish Creek, Black Canyon Creek, and Cole Creek flowing through major drainages. Numerous springs like Greenwood Springs, Tip Top Spring, and Hogsback Springs provide reliable water sources. Scattered reservoirs and detention ponds supplement natural water, though some are seasonal or livestock-focused.
The riparian willows and wet meadows along creek bottoms create moose habitat and water corridors. Creeks flow generally north and west toward the Green River, making drainage systems useful for navigation and locating game.
Hunting Strategy
Unit 25 holds moose—the primary species here—in willows along major creeks and in wet meadows at higher elevations. Early season hunting focuses on higher drainages where bulls move through open sage and into timber transitions. Midseason rut activity concentrates moose in willow bottoms where calling can be effective.
Late season pushes remaining bulls into sheltered riparian zones and aspen draws. Glassing the open ridges and basins early and late in the day can locate bulls before stalking into creeks. Success relies on finding water and willow—focus on lower Park Creek, Indian Creek, and Fish Creek drainages where habitat concentrates.
The terrain's moderate complexity allows mobile hunters to cover multiple drainage systems.