Unit 206 Diamond Mtn
Diamond Mountain plateau — a limited-entry quality mule deer and elk unit north of Vernal on a mixed public/private tableland
Northeastern Utah — Diamond Mountain, Uintah County · Last reviewed 2026-07-12
Area
417
sq mi
Public land
68%
approx.
Elevation
5,500–8,800
feet
Motorized
moderate
access
Overview
Diamond Mountain is a limited-entry buck deer and bull elk unit occupying the high plateau country roughly 30 miles north of Vernal, part of Utah's South Slope group on the south flank of the Uinta Mountains. It is managed for quality — draw-only tags and better-than-general age structure — with healthy mule deer herds and good elk on a tableland of sage parks, aspen and juniper broken by canyon rims toward the Green River and Dinosaur country. The catch is ownership: unlike most Utah limited-entry units it is closer to a public/private mosaic, so knowing where the public ground lies (and where the private ranches begin) is the key to hunting it.
Terrain
A broad, gently rolling high plateau from about 5,500 ft along the canyon breaks and benches up to roughly 8,800 ft on the mountain, cut by drainages falling toward the Green River, Jones Hole and the Dinosaur canyon country to the east.
Cover: Sagebrush parks and grassland flats, extensive piñon-juniper on the benches and rims, and aspen with mixed conifer stringers on the higher, wetter ground. Open meadows interspersed with brush and timber pockets.
Landmarks: Diamond Mountain plateau · Crouse Reservoir · Jones Hole · Green River / Browns Park · Diamond Mountain Road · Dinosaur National Monument (east)
Access
Roughly two-thirds public — a mix of BLM, SITLA state trust (open to hunting in Utah) and Ashley National Forest on the higher west/south edges — interlocked with substantial private ranch ground on the plateau tabletop. Access is via the Diamond Mountain Road/Highway from Sunshine Bench Road out of Vernal, with Limestone Road off US-191 a second route. Scouting land status is essential; some hunters work with outfitters for private access.
Managers: BLM, SITLA, private, USFS Ashley NF
Access points: Diamond Mountain Road (Sunshine Bench Road out of Vernal) · Limestone Road off US-191 · BLM/SITLA parcels along the canyon breaks · Ashley NF edges to the south/west
Species notes
Mule Deer
common qualityA limited-entry quality buck unit with healthy mule deer herds and better age structure than Utah's general units — draw-only tags mean less pressure and a real shot at a mature buck for hunters who sort out the public/private ground.
- →Glass sage parks and aspen-meadow edges at first and last light
- →Hunt the piñon-juniper benches and canyon-break transitions where bucks hold
- →Nail down land status before the hunt — public and private interlock tightly here
- →Late-season weather concentrates deer on the lower benches and south slopes
Rocky Mountain Elk
common qualityA limited-entry bull elk unit with good elk using the aspen, conifer stringers and meadow country of the plateau — quality-managed bulls that hold in the timber pockets and rougher canyon heads away from roads.
- →Locate bulls in aspen/conifer stringers and meadow edges away from private
- →September archery calling in the timber before pressure builds
- →Glass the plateau parks and drainage heads at dawn
- →Use the canyon breaks as travel corridors between feed and cover
Pronghorn
limited opportunityPronghorn use the open sage flats and grasslands of the Diamond Mountain tableland — a limited presence on the more open ground rather than a marquee draw here.
- →Glass the open sage and grass parks from high ground
- →Use terrain rolls to close on bucks in the open
- →Pattern movement around water on the flats
Black Bear
common opportunityBlack bears are present and have been active enough historically to warrant caution — an opportunity hunt in the aspen and brush country, with fall mast pulling bears onto the benches.
- →Glass aspen mast and berry-brush benches during the fall feed
- →Key on oak/serviceberry and drainage brush
- →Bear-proof camp food — bears frequent camps on the mountain
Cougar
common opportunityMountain lions follow the deer through the canyon and juniper country — a tracking-snow pursuit opportunity in the broken terrain along the breaks.
- →Cut tracks on plateau and canyon-rim roads after fresh snow
- →Focus on deer-concentration areas and rim travel corridors
- →Work the juniper-canyon interface where lions move
Pro tips
- →Ownership is the whole puzzle here — this limited-entry unit is closer to a public/private checkerboard, so map land status before you hunt.
- →SITLA state trust parcels are open to hunting in Utah and add real accessible ground to the 68% public.
- →Diamond Mountain Road off Sunshine Bench is the main artery; Limestone Road off US-191 is the backup.
- →Draw-only tags mean lighter pressure — hunt patiently for a mature buck or bull.
- →Bear-proof your camp and expect open-range cattle across the plateau.
Watch out for
- !Extensive private ranch ground interlocked with public — trespass risk is real; verify boundaries
- !Poor-to-moderate cell coverage on the plateau — carry a satellite communicator
- !Dirt roads rut and soften when wet or snowy
- !Historically active bears — bear-proof all camp containers
- !Open-range cattle throughout — mind stock and gates
Logistics
Stage from Vernal — the regional hub with full services — about 30 miles south, then run the Diamond Mountain Road up onto the plateau. Cell coverage on the mountain is poor to moderate. Dispersed camping is available on the public ground; expect open-range cattle and long drives on dirt to reach the huntable parcels.
Nearest towns: Vernal, Jensen, Naples, Dutch John
Seasons & regulations
This page carries no season dates or regulations. Get current rules from the official Utah sources:
Research sources: UDWR Utah Hunt Planner (unit boundaries, biologist notes) · GOHUNT — Diamond Mtn limited-entry deer unit profile (public land %, elevation, access, bears) · Horn and Fin — South Slope Diamond Mtn / NE Utah limited-entry units
FAQ
- How big is Unit 206 in Utah?
- Unit 206 (Diamond Mtn) covers about 417 square miles, ranging from roughly 5,500 to 8,800 feet in elevation. Area is computed from the unit boundary polygon.
- How much public land is in Unit 206?
- Approximately 68% of the unit is public land. Primary managers: BLM, SITLA, private, USFS Ashley NF. Always verify ownership boundaries on the ground.
- What species does the catalog list for Unit 206?
- Mule Deer, Rocky Mountain Elk, Pronghorn, Black Bear, Cougar. For seasons, tags, and regulations, use the official Utah agency resources linked on this page — this page carries no regulatory information.
Put Unit 206 on your map.
Boundary lines, public/private ownership, topo, and offline maps for this unit — in Baseline Maps, free for 14 days.