Book Cliffs, Little Creek/South, Utah

Rugged, roadless canyon-and-ridge country ranging from approximately 4,200 feet in lower canyon bottoms to 8,800 feet along the Book Cliffs summit and Diamond Ridge drainage divide. The cliffs are composed of Cretaceous sandstone, rising steeply as south-facing buttes and ledge systems above long north-draining canyons. Main drainages — West Willow Creek, She Creek, Little Creek, and East Willow Creek — run north off the summit divide and cut deeply through the plateau. High ridges and mesas provide open glassing terrain; canyon bottoms narrow in places and open to meadows in others. The unit is entirely roadless; no motorized vehicle access exists within the interior.

The unit is almost entirely public land — BLM (Vernal Field Office), and the new Book Cliffs Roadless Wildlife Management Area (formed June 2026 from the DWR acquisition of 50,608 acres of former SITLA land plus the existing 6,929-acre Little Creek WMA). No motorized vehicle access exists within the roadless interior; all travel is on foot or by horse/mule. Northern trailhead access is reached via Utah State Route 88 (Seep Ridge Road) south from US-40 near Fort Duchesne, then Book Cliffs Ridge Road and Steer Ridge Road to the Ten Mile Knoll trailhead atop the drainage divide. Southern access runs from Interstate 70 via Sego Canyon Road — Sego Canyon crosses approximately one mile of Ute Indian Tribe lands, requiring a Tribal Access Permit from the Uintah and Ouray Ute Tribe (available May 1–Nov. 30; no motorized vehicles on tribal lands; allow up to seven business days for permit processing; submit to Business Committee Secretary or Fish and Wildlife Director at Ute Indian Tribe, P.O. Box 190, Fort Duchesne, UT 84026). The alternative southern route is BLM Road 194 off I-70 near Thompson to Nash Wash. The western boundary is defined by the Uintah and Ouray Indian Reservation; hunters must not cross onto tribal lands without a permit. No CWMUs are known within the roadless unit. Tire chains are recommended for late-season travel on ridge access roads.

Vegetation transitions with elevation from desert shrub (greasewood, tamarisk, and shadscale) in the lowest canyon floors near 4,200–5,500 feet, through pinyon-juniper woodland at mid-elevations (5,500–7,000 feet), to mountain browse (sagebrush, oakbrush, serviceberry) and aspen-fir communities at 7,000–8,800 feet on the higher ridges and near the summit. Cheatgrass encroachment into the herbaceous understory is documented at multiple range trend sites. Riparian corridors in canyon bottoms support cottonwood, willow, and native grass communities, though greasewood and tamarisk invasion has degraded some drainages. The closed-canopy pinyon-juniper mid-elevations represent a known management challenge, as maturing canopy reduces perennial understory forage. Burned areas and treated juniper sites provide improved forage and glassing openings.

Mule deer are present in significant numbers across the unit, with the broader Book Cliffs supporting an estimated 7,500 deer. The unit is managed as a limited-entry area for mule deer, with generally lower point requirements than the North or main Book Cliffs units. Elk inhabit the unit with a herd unit wintering population targeted at 7,500 animals across all Book Cliffs subunits; the Little Creek subunit is managed for a harvested bull 3-year average age of 6.5–7.0 years under the 2023 plan. Elk calve on limited summer range near the summit; predator pressure from black bear and mountain lion suppresses calf recruitment. Free-ranging American bison occupy the area as part of the Book Cliffs herd — one of the last genetically pure free-ranging herds in North America — with the 2025 management plan targeting 650 total wintering adults across the Bitter Creek, Little Creek, and South subunits combined, up from 450. Black bear are present and documented as a calf predator. Mountain lion are present and managed with an over-the-counter hunting season. Golden eagles, blue grouse, sage grouse, and Colorado River cutthroat trout (in canyon streams) also inhabit the broader area.

1. BOUNDARY IDENTITY: The unit code 'book-cliffs-little-creek-south' corresponds primarily to the bison-specific hunt boundary as listed on GoHunt (slug: bison-book-cliffs-little-creek-south). Geographically this encompasses the Little Creek (Roadless) subunit (Unit 10c) and the South subunit (Unit 10b) of the Book Cliffs elk/deer herd unit as defined by UDWR. Mule deer and elk hunts in this area use separate boundary designations. 2. MAJOR RECENT CHANGE: As of June 2026, approximately 50,608 acres of formerly Utah School and Institutional Trust Lands within the roadless area were purchased by UDWR for ~$30 million (legislative appropriation was $50 million) and added to the existing 6,929-acre Little Creek WMA, now renamed the Book Cliffs Roadless Wildlife Management Area. 3. BISON HUNT STATUS: The December 2025 board meeting approved adjustments to Book Cliffs bison hunts for 2026–2027 including a new cow bison hunt and archery season ending January 31. The GoHunt 2026 bison application guide showed ~25 combined resident permits across 4 hunt types. Confirm current status with UDWR before the draw. 4. TAG QUOTA (BISON): The 25-permit figure is approximate from GoHunt 2025 data and may change for 2026. 5. SUCCESS RATE (BISON): 89% is an average across four hunt types from GoHunt's 2026 application guide, not an official UDWR statistic. 6. TRIBAL ACCESS: Southern Sego Canyon access crosses ~1 mile of Ute Indian Tribe land (confirmed via wildlife.utah.gov/segotrailhead). A Tribal Access Permit is required (May 1–Nov. 30); no motorized vehicles on tribal lands. 7. Mule deer and elk season dates and quotas specific to the Little Creek/South boundary could not be confirmed from available public sources; consult the UDWR 2026 Big Game Application Guidebook.