Unit North Slope, Three Corners/West Daggett

High-elevation mountain terrain spanning Utah's northeast corner with multiple drainages and diverse alpine-to-basin habitat.

Hunter's Brief

This vast unit encompasses the rugged northeast corner of Utah where the state line meets Wyoming and Colorado. Terrain ranges from deep forested drainages to high alpine basins and ridges, with elevation varying dramatically across the landscape. The Green River and Flaming Gorge Reservoir define western boundaries, while the Uinta Mountains crest forms the southern edge. Road access is well-developed despite the terrain's complexity, with US-191 providing primary entry and numerous secondary roads penetrating major drainages. Water is reliable through creeks, springs, and reservoirs throughout the unit, making logistics manageable even in high country.

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Terrain Complexity
8
8/10
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Unit Area
618 mi²
Moderate
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Public Land
89%
Most
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Access
1.2 mi/mi²
Fair
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Topography
26% mountains
Rolling
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Forest
44% cover
Moderate
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Water
3.5% area
Abundant

Terrain Deep Dive

Landmarks & Navigation

Key navigation landmarks include the Uinta Mountains crest running east-west across the southern portion, with Dutch John Mountain, Goslin Mountain, and Mount Untermann serving as prominent reference points. The Boars Tusk and ridges in the Glades area provide excellent high-elevation glassing positions. Flaming Gorge Reservoir dominates the western landscape and serves as a reliable geographic anchor.

Major drainages—Henrys Fork, Burnt Fork, Goslin Creek, and Kingfisher Creek—provide natural travel corridors and navigation guides through timbered country. Sheep Creek Gap and Dutch John Gap offer ridge crossings, while Whisky Peak marks a distinctive summit useful for orientation in the northern portions.

Elevation & Habitat

Elevations span from lower creek bottoms near Flaming Gorge Reservoir to high alpine peaks exceeding 12,600 feet. The landscape transitions from sagebrush and aspen-covered foothills in valley systems like South Valley and Clay Basin through mixed conifer forests on middle-elevation slopes into spruce-fir and alpine tundra on the high ridges. Multiple benches and flats—Dutch John Bench, Bear Park, Elk Park, and similar features—provide moderate-elevation meadow and grassland habitat interspersed with timber.

The terrain's complexity creates distinct ecological niches; north-facing slopes hold heavy timber while south-facing aspects break to more open parks and grasslands.

Elevation Range (ft)?
5,35812,680
02,0004,0006,0008,00010,00012,00014,000
Median: 7,674 ft
Elevation Bands
Above 9,500 ft
16%
8,000–9,500 ft
27%
6,500–8,000 ft
36%
5,000–6,500 ft
22%

Access & Pressure

The unit benefits from well-developed road access despite terrain complexity, with 765 miles of roads providing entry to most major drainages and valleys. US-191 runs through the southern portion, offering primary highway access. Manila and the Flaming Gorge area provide logical staging points for hunters.

Summer home areas near Dutch John and Flaming Gorge Lodge indicate developed infrastructure. The connected road network suggests moderate to heavy opening-season pressure along main drainages, but the unit's vast size and complexity (8.1 complexity score) allows escape from crowds by heading into high basins and ridge systems. Early-season hunters should expect more human activity near roaded access points.

Boundaries & Context

The unit occupies the northeastern corner of Utah, bounded by the Utah-Wyoming-Colorado state line at Three Corners to the north and east. The Green River and Flaming Gorge Reservoir mark the western boundary, running south from the state line before turning west along the reservoir's south shore. The southern edge follows the Uinta Mountains crest from the reservoir drainage eastward, with US-191 serving as the primary access corridor through this boundary.

The unit encompasses parts of Daggett and Summit counties and is accessed via the Dutch John and Kings Peak USGS quadrangles. Despite its vast size, the connected road network makes major drainages and basins accessible.

Land Cover Breakdown?
Mountains (forested)
13%
Mountains (open)
13%
Plains (forested)
31%
Plains (open)
40%
Water
4%

Water & Drainages

Reliable water sources are distributed throughout the unit. Flaming Gorge Reservoir anchors the western side with multiple creeks feeding it, including Cart Creek and Sheep Creek. Henrys Fork drains the central unit southward, while Burnt Fork marks the northern boundary.

Smaller but dependable streams include Spruce Creek, Spring Creek, and Lost Creek throughout the mid-elevation zones. Springs are numerous—Whisky Springs, Big Spring, Ford Spring, Cedar Spring, and others provide high-country water access. Multiple lakes including Weyman Lakes, Tamarack Lake, Spirit Lake, and Potter Lake serve as reliable water sources for camps.

This moderate water abundance reduces logistical constraints compared to drier units.

Hunting Strategy

The unit supports multiple species across distinct habitat zones. Elk favor the timbered slopes and high parks, concentrating in drainages like Henrys Fork and Burnt Fork during fall rut. Mule deer use mid-elevation transitions between forest and sagebrush parks.

Moose inhabit willow-lined creeks in higher elevation basins. Mountain goats occupy alpine cliffs and steep terrain along ridge systems. Pronghorn utilize open benches and flats in lower-elevation valleys.

Mountain lions and bears are present throughout. Early season hunting focuses on high country and parks; rut-phase elk hunting concentrates in drainages and timber edges. The terrain's elevation and forest coverage support sustained hunting pressure, but success requires moving beyond roaded areas into the complex ridge and basin system that characterizes this challenging unit.