Unit 11
MOFFAT/RIO BLANCO
Sprawling high-desert mesas and sagebrush valleys cut by reliable mountain streams and ridgelines.
Hunter's Brief
GMU 11 spans the Moffat and Rio Blanco County plateau country between US 40 and the White River, a classic high-desert terrain of wide-open sagebrush parks interspersed with piñon-juniper and scattered ponderosa. The landscape is accessible via fair road network that connects staging areas, though much of the unit's interior requires legwork once you're off pavement. Reliable water comes from perennial streams like the Yampa, Strawberry Creek, and Wolf Creek rather than scattered springs. The flat-to-rolling terrain masks considerable distance—what looks close glassing often means hours of walking. This is big-country hunting where self-sufficiency and route planning matter.
- 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
Steamboat Rock, Colorow Mountain, and Cross Mountain provide visual anchors across the central landscape and serve as glassing platforms or navigation reference points. The ridge systems—Wild Horse Ridge, Elk Springs Ridge, Piñon Ridge—run as natural travel corridors and elevation transitions that channel wildlife movement. Powell Park and Lily Park represent open basin systems where pronghorn congregate and elk feed seasonally.
The Strawberry and Wolf Creek drainages cut recognizable swaths through the country, useful for navigation and as reliable water sources. Buckskin Point offers a recognized landmark where terrain opens toward the western slopes.
Elevation & Habitat
The unit spans from around 5,500 feet in river bottoms to roughly 8,200 feet on upper ridge systems, creating a mixed-elevation landscape where sagebrush flats transition gradually into piñon-juniper woodlands and scattered ponderosa stands. This is not high-country alpine terrain—instead, it's the working elevation where mule deer thrive on ridge slopes, elk utilize both open parks and scattered timber for seasonal movement, and pronghorn work the sagebrush plains. Vegetation change is gradual rather than dramatic; the forest coverage remains moderate and open enough that terrain visibility supports glassing strategy across much of the unit.
Access & Pressure
Fair road connectivity means most hunters can reach staging areas relatively easily via US 40 and secondary county roads, but the 449 miles of roads distributes across vast terrain rather than concentrating access pressure. This creates a pattern where main roads and parking areas receive consistent pressure while the broader sagebrush and ridge country receives less hunter traffic—a landscape where working away from obvious routes yields solitude. Early season and weekends concentrate vehicles near accessible ridges and park perimeters; midweek and later season hunting in side drainages and less-obvious basins substantially reduces competition.
Weather impacts road conditions seasonally, tightening or loosening pressure accordingly.
Boundaries & Context
GMU 11 occupies the rolling plateau country of northern Rio Blanco and Moffat Counties, bounded north by US 40 and Colorado 318, east by county roads skirting private ranches, south by the White River corridor, and west by the Yampa and Little Snake Rivers and their tributary systems. The unit forms part of Colorado's northwest plateau country, immediately south of the Wyoming border and east of the Dinosaur National Monument area. Scale is substantial—449 miles of roads cross the unit but serve a landscape measured in broad basins and ridge systems rather than concentrated valleys.
Access staging is available via US 40 corridor towns and secondary routes threading through ranching country.
Water & Drainages
Water defines the unit's structure more than elevation alone. The White River forms the southern boundary and represents reliable water year-round, while the Yampa and Little Snake Rivers drain the western sections. Interior water relies on perennial creeks including Strawberry Creek, Wolf Creek, Bob Hughes Creek, and Deep Channel Creek—streams worth memorizing since they enable multi-day hunting pushes away from main roads.
Cedar Springs and scattered seeps provide supplemental sources in drier basins. The drainage system generally flows northwest, so water-planning involves understanding which gulches hold reliable flow versus seasonal sequences. Limited standing water means hunting strategy depends on creek access.
Hunting Strategy
The diverse species list reflects the unit's elevation span and habitat mix. Elk work the piñon-juniper transition and scattered timber patches, with early season favoring higher ridge systems and rutting concentration in timbered benches. Mule deer utilize ridge faces and park edges throughout, responding more to specific terrain aspect and water access than broad elevation.
Pronghorn inhabit the open sagebrush basins, particularly around Powell Park and Lily Park where sight-distance hunting dominates. Moose occupy the riparian corridors and willowed drainages, especially the Yampa and White River systems—a limited resource requiring specific water-bottom hunting. Black bear and mountain lion presence reflects available cover and prey base; hunting these predators requires glassing ridges and traveling creeks.
The flat-to-rolling topography supports glassing-intensive strategy across parks and ridge systems; success depends on methodical coverage rather than extreme altitude or treacherous terrain navigation.