Unit 18 Box Elder, Hansel Mtn
Big, dry, checkerboarded Box Elder desert country against the Idaho line — a challenging general-season mule deer unit with west-desert pronghorn and only a scattering of elk.
Northwestern Utah — Great Salt Lake Desert & Hansel/Promontory Ranges · Last reviewed 2026-07-12
Area
3,640
sq mi
Public land
30%
approx.
Elevation
4,200–7,372
feet
Motorized
moderate
access
Overview
The Box Elder, Hansel Mtn unit sprawls across northwestern Utah's Box Elder County — desert flats and valleys rising through foothills to three low ranges: the Promontory Mountains, the West Hills west of Interstate 15 near Tremonton, and the Hansel Mountains along the Idaho border north of the Great Salt Lake. It is a general-season mule deer unit with good buck genetics but low densities and deer that are genuinely hard to find, making it a challenge hunt for a mature buck rather than a numbers game. Pronghorn work the open west-desert valleys, and a small, dispersed elk population lingers mainly in the Hansel Mountains. Land ownership is a heavy checkerboard of private ranchland with BLM and state-trust ground mixed in, so mapping is everything.
Terrain
Open Great Salt Lake Desert basins and sagebrush valleys near 4,200 ft climbing through rolling foothills to rocky, brush-covered ranges topping out around 7,300 ft in the Hansel and Promontory mountains. Terrain is moderate — more big, dry country to cover than steep alpine.
Cover: Salt desert shrub and greasewood on the flats, giving way to sagebrush, grass, and bitterbrush benches, with mountain mahogany, juniper, and scattered brush pockets on the rocky higher slopes. Water is scarce and largely tied to springs, stock tanks, and creek drainages.
Landmarks: Hansel Mountains · Promontory Mountains · West Hills (west of I-15 near Tremonton) · Blue Spring Hills · Great Salt Lake north shore · Bear River / Bear River Migratory Bird Refuge (east) · Idaho state line (north boundary) · I-15 corridor (Tremonton/Snowville)
Access
This is a checkerboard unit — the majority is private ranchland with BLM and SITLA state-trust parcels interspersed, so a current ownership map is essential to hunt legally. Well-maintained dirt and gravel county roads reach the valleys and range fronts on all sides, feeding rougher two-track and ATV routes into the foothills; the desert basins are easy to drive but water and services are far apart. SITLA state ground is generally open to hunting. Cell service is unreliable across much of the unit.
Managers: private, BLM, SITLA
Access points: I-15 / Snowville and Howell exits into the northern desert · County roads from Tremonton toward the West Hills and Promontory · BLM roads into the Hansel Mountains off the valley floor · North-shore and Promontory-area roads from the Golden Spike/Corinne side
Species notes
Mule Deer
common opportunityA general-season buck unit with good genetics but low deer density and animals that are notoriously hard to locate in the big, open country. Hunters willing to burn boot leather and glass hard have a real chance at a mature buck, but this is a challenge unit, not a high-success one, and early any-legal-weapon seasons have been added to spread crowding.
- →Glass long and often from high points at first and last light — deer are spread thin, so cover country with optics before your feet.
- →Key on the mountain-mahogany and brush pockets high in the Hansel and Promontory ranges where bucks hide.
- →Find the scarce water — springs, creek heads, and stock tanks concentrate deer in this dry unit.
- →Get well away from the road-hunted valley fronts; the mature bucks live in the rough, brushy heads of the drainages.
Pronghorn
common opportunityPronghorn range the open west-desert valleys and sagebrush benches of the Box Elder country, part of northwestern Utah's productive antelope range. Tags are limited-entry and the open terrain makes for classic spot-and-stalk on wary desert bucks.
- →Glass the wide sage valleys from vehicle vantage, then plan a stalk using terrain rolls and washes to close the gap.
- →Locate the resident buck groups pre-season and pattern their feeding and watering routine.
- →Use decoys or patient ambush near water and fence crossings in the heat of early season.
- →Range carefully and be ready for a longer, flat shot in country with little cover.
Rocky Mountain Elk
limited lowOnly a small, dispersed elk population holds here, mostly in the Hansel Mountains and occasionally the West Hills, rarely the Promontory range. Most hunters never lay eyes on one, and harvested bulls are typically spikes and raghorns — a few private ranches with cover, feed, and water hold the most consistent animals.
- →Focus on the Hansel Mountains and the handful of ranch-associated pockets with reliable water and feed.
- →Treat it as a low-odds, high-effort hunt — scout to find the few small herds before the season.
- →Glass the higher brushy slopes at dawn and dusk and be prepared to cover a lot of empty country.
- →Verify access on the private ground that holds the best habitat before counting on it.
Cougar
limited opportunityMountain lions follow the deer through the ranges and are taken incidentally, mostly in winter. Numbers track the modest deer population.
- →Cut roads and canyon bottoms for tracks after fresh snow.
- →Hunt the rocky, brushy range fronts where deer concentrate.
- →Be prepared to cover ground — cats are thin where deer are thin.
Pro tips
- →Run an offline ownership map — this checkerboard of private, BLM, and SITLA ground is the single biggest thing between you and a legal, successful hunt.
- →Hunt water in this dry unit; springs, creek heads, and stock tanks concentrate deer, pronghorn, and elk alike.
- →Glass more than you walk — thin, spread-out deer reward long-range optics from high vantage points.
- →Set expectations honestly: general-season deer here is a challenge hunt for a mature buck, and elk is a genuine long shot.
- →Don't count on cell service — carry a paper backup and tell someone your plan.
Watch out for
- !Heavy private/public checkerboard (~70% private) — trespass risk is high without a current ownership map.
- !Water is scarce across the desert basins — carry your own and know your resupply points.
- !Unreliable cell service across much of the unit.
- !Low, spread-out deer densities make this a genuine challenge hunt; manage expectations.
- !Elk are few and mostly small — don't build a hunt around them.
- !Open, exposed country means heat, wind, and long recovery packs; plan logistics accordingly.
Logistics
Base out of Tremonton or Brigham City along I-15 for full services, with Snowville handy for fuel and a meal on the northern desert side and Howell as a small waypoint. Public camping is dispersed on BLM ground — plan to be self-contained, carry plenty of water, and expect long drives between fuel stops. Because this is a heavy private/public checkerboard with unreliable cell coverage, download an ownership map offline and pin the public and SITLA parcels before you leave pavement.
Nearest towns: Tremonton, Snowville, Howell, Corinne, Brigham City
Seasons & regulations
This page carries no season dates or regulations. Get current rules from the official Utah sources:
Research sources: GOHUNT Utah Box Elder, Hansel Mtn unit profile (ranges, elevation 4,200–7,372 ft, ~29% public/71% private, dispersed elk, chukar) · UDWR Deer Herd Unit 1 (Box Elder) Management Plan (general-season deer, terrain, ranges) · UDWR news — Box Elder crowding / early any-legal-weapon deer season and West/Snowville pronghorn muzzleloader seasons
FAQ
- How big is Unit 18 in Utah?
- Unit 18 (Box Elder, Hansel Mtn) covers about 3,640 square miles, ranging from roughly 4,200 to 7,372 feet in elevation. Area is computed from the unit boundary polygon.
- How much public land is in Unit 18?
- Approximately 30% of the unit is public land. Primary managers: private, BLM, SITLA. Always verify ownership boundaries on the ground.
- What species does the catalog list for Unit 18?
- Mule Deer, Pronghorn, Rocky Mountain Elk, Cougar. For seasons, tags, and regulations, use the official Utah agency resources linked on this page — this page carries no regulatory information.
Put Unit 18 on your map.
Boundary lines, public/private ownership, topo, and offline maps for this unit — in Baseline Maps, free for 14 days.