Unit 442 District 442 (Region 4)
Legendary backcountry along the Sun River and the Bob Marshall — migratory bull elk, giant Front mule deer, and full-on grizzly country.
Sun River / Rocky Mountain Front — Region 4 · Last reviewed 2026-07-12
Area
298
sq mi
Public land
95%
approx.
Elevation
4,300–9,000
feet
Motorized
wilderness
access
Overview
District 442 is the Sun River unit, a vast, mostly wilderness district west of Choteau and Augusta that runs from the sentinel limestone reefs of the Rocky Mountain Front back across the Continental Divide into the Bob Marshall Wilderness. This is classic Montana high country — the home range of the storied Sun River elk herd — where September archery and late-season migration hunts define the experience. Elk, big Front mule deer, and bighorn sheep are the marquee draws, and because the whole district sits inside core grizzly range, bear awareness is not optional here.
Terrain
Steep, high-relief mountains rising from the Rocky Mountain Front reefs westward over the Continental Divide; sheer limestone walls, timbered slopes, alpine basins, and the Sun River drainage cutting through the heart of it.
Cover: Douglas-fir and lodgepole timber on the slopes, limber pine and grassy benches on the wind-scoured Front, alpine meadow and rock up high, and willow/aspen bottoms along the Sun River and its forks.
Landmarks: Sun River · Sun River Game Preserve · Bob Marshall Wilderness · Continental Divide · Gibson Reservoir · Rocky Mountain Front · Sun River WMA · Helena-Lewis & Clark National Forest
Access
Overwhelmingly public national-forest and wilderness, so access is excellent by foot or horseback, but the terrain is the barrier — much of it is roadless Bob Marshall backcountry. The productive lower winter-range ground along the Front is private ranchland; some parcels enroll in FWP's Block Management program for free public hunting, and the Sun River WMA opens seasonally. Check the current Block Management and WMA access rules before you go.
Managers: USFS Helena-Lewis & Clark NF (Rocky Mountain Ranger District), Bob Marshall Wilderness, MT FWP (Sun River WMA), MT DNRC state trust, private ranch (winter-range fringe) + Block Management
Access points: Sun River Road / Gibson Reservoir (FS access west of Augusta) · Benchmark Road and trailheads · Willow Creek / Beaver-Willow trailheads · Sun River WMA seasonal access · numerous Bob Marshall pack trails
Species notes
Rocky Mountain Elk
common qualityThe Sun River elk herd (shared with HDs 424/425) is the identity of this district — a migratory herd that summers in the high wilderness and pours onto the Front's winter range when weather hits.
- →Bugle the timbered basins and Game Preserve edges in September archery
- →Set up on migration corridors off the high country during late-season storms
- →Glass the Front's grassy benches at first and last light as bulls drop to winter range
- →Be prepared for a deep-country pack-out on horseback or foot
Mule Deer
common trophyThe Rocky Mountain Front is famous for producing giant mule deer bucks that live on the limestone reefs and high benches.
- →Glass the open reef faces and grassy benches at dawn
- →Hunt the timber-and-rock transition zones the mature bucks favor
- →Push higher into alpine basins in early season, then key on the Front during the November rut
Bighorn Sheep
common trophyThe Sun River / Rocky Mountain Front bighorn herd is one of Montana's premier sheep populations — a coveted, hard-to-draw limited-permit hunt.
- →Glass the limestone cliff bands and grassy chutes of the Front
- →Focus on classic escape terrain near Gibson Reservoir and the reefs
- →Expect a physically demanding, spot-and-stalk mountain hunt
Mountain Goat
limited qualityGoats hold on the highest cliffs and alpine terrain of the divide country; a rare limited-permit opportunity.
- →Glass high rock faces and alpine ledges
- →Plan for extreme terrain and a committed backcountry effort
Black Bear
common qualityBlack bear inhabit the timbered drainages and berry slopes, but this is core grizzly range — identify your bear beyond any doubt.
- →Glass green avalanche chutes and open slopes in spring and early fall
- →Key on berry patches and forest openings
- →Carry bear spray and confirm species/color-phase carefully — grizzlies share this ground
Moose
limited qualityShiras moose scatter through willow bottoms and wet drainages; a prized, limited-permit species.
- →Hunt willow flats and beaver-pond complexes along the Sun and its forks
- →Glass wet meadows at dawn and dusk
Whitetail Deer
limited opportunityWhitetail hold in the lower river bottoms and ranch edges but are secondary to muleys and elk here.
- →Still-hunt the Sun River cottonwood bottoms during the November rut
- →Watch ag and cover edges at the mouth of the mountains
Cougar
common qualityStrong lion numbers follow the deer and elk; a winter hound-and-snow pursuit.
- →Cut roads and ridgelines for fresh tracks after snow
- →Follow the Front's deer and elk wintering areas
Pro tips
- →This is a migration game — the best late hunts hinge on a storm pushing elk and deer out of the wilderness onto the Front
- →Bring horses or plan a genuine backcountry pack-out; the deep-country kills are a long way from any road
- →The Sun River Game Preserve is closed to hunting — know exactly where its boundary is and hunt the edges
- →Glass the Front's limestone reefs at dawn for both giant muleys and bighorns
- →Watch for CWD sampling requests in the region and check current WMA/Block Management access windows
Watch out for
- !Core grizzly country — carry bear spray, hunt clean, and be certain of your bear before any black-bear shot
- !Wilderness terrain means no motorized access and long, difficult pack-outs — plan meat care and logistics accordingly
- !Early-season snowstorms and fierce Front winds can turn dangerous quickly
- !Respect the Sun River Game Preserve closure and private winter-range boundaries along the Front
Logistics
Augusta is the classic jumping-off town for the Sun River country, with Choteau and Fairfield to the north and Great Falls the regional hub for full services. Most hunts here require horses or a serious backpacking commitment; outfitters run pack trips into the Bob Marshall. Gibson Reservoir and Benchmark are the main road-end staging points.
Nearest towns: Augusta, Choteau, Fairfield, Great Falls
Seasons & regulations
This page carries no season dates or regulations. Get current rules from the official Montana sources:
Research sources: MTFWP Deer/Elk Hunting District 442 (Sun River) map · Sun River Wildlife Management Area — MyFWP · GOHUNT Montana Unit 442 profile
FAQ
- How big is Unit 442 in Montana?
- Unit 442 (District 442 (Region 4)) covers about 298 square miles, ranging from roughly 4,300 to 9,000 feet in elevation. Area is computed from the unit boundary polygon.
- How much public land is in Unit 442?
- Approximately 95% of the unit is public land. Primary managers: USFS Helena-Lewis & Clark NF (Rocky Mountain Ranger District), Bob Marshall Wilderness, MT FWP (Sun River WMA), MT DNRC state trust, private ranch (winter-range fringe) + Block Management. Always verify ownership boundaries on the ground.
- What species does the catalog list for Unit 442?
- Rocky Mountain Elk, Mule Deer, Bighorn Sheep, Mountain Goat, Black Bear, Moose, Whitetail Deer, Cougar. For seasons, tags, and regulations, use the official Montana agency resources linked on this page — this page carries no regulatory information.
Put Unit 442 on your map.
Boundary lines, public/private ownership, topo, and offline maps for this unit — in Baseline Maps, free for 14 days.