Unit 417 District 417 (Region 4)

Broken Breaks country on the south side of the Missouri — glass-and-hike mule deer with a few sleeper bulls.

Missouri River Breaks — Region 4 · Last reviewed 2026-07-12

Mule deer buck trotting across open prairie at dusk

Area

860

sq mi

Public land

38%

approx.

Elevation

2,250–3,500

feet

Motorized

limited

access

Overview

District 417 sits on the western edge of the Missouri River Breaks, on the south bank of the Missouri River in Fergus County. It is rugged, deeply eroded Breaks terrain — coulees, badland fingers, sage benches, and scattered ponderosa and juniper pockets that reward miles on foot and long hours behind glass. Mule deer are the primary quarry, though several years of severe drought have driven steep population declines and tightened buck opportunity. Elk are present in smaller numbers than the famous districts downriver but hold a few good bulls, and pronghorn range the surrounding benchland while whitetails cling to the river and creek bottoms.

Terrain

Classic Missouri Breaks: steep, broken badland coulees and ridges falling to the Missouri River, rising to open sage-grass benches and prairie tableland.

Cover: Sagebrush and short-grass prairie on the benches; scattered ponderosa pine, juniper, and greasewood in the coulees; cottonwood, willow, and brush along the Missouri and its tributary bottoms.

Landmarks: Missouri River · Missouri River Breaks · Fred Robinson Bridge (US Hwy 191) · Charles M. Russell National Wildlife Refuge (adjacent north) · sage benchlands

Access

A substantial BLM footprint in the Breaks provides real public access, supplemented by state-trust sections (conservation/recreation permit) and the CMR Refuge just across and downriver. Large private ranches control much of the bench and bottom ground between the public parcels; FWP Block Management enrollments open some of it to free public hunting — check current BMA maps. The Fred Robinson Bridge on Hwy 191 is the main gateway to the river corridor.

Managers: BLM, private ranch + Block Management, MT DNRC state trust, USFWS (CMR Refuge adjacent)

Access points: US Hwy 191 / Fred Robinson Bridge · BLM two-tracks into the Breaks off Hwy 191 · county roads north from the Lewistown area · Missouri River access at the bridge

Species notes

Mule Deer

common opportunity

The district's primary big-game opportunity, but drought has cut numbers hard and buck harvest has been restricted to protect the herd — most bucks taken are young.

  • Glass coulee heads and sage benches at first and last light
  • Cover miles on foot and let optics do the work in the broken terrain
  • Hunt the transition between bench feed and coulee cover
  • Expect low densities and manage expectations after the drought years

Rocky Mountain Elk

limited quality

Fewer elk than the marquee Breaks districts downriver, but the country holds a few good bulls in the rough timber-and-coulee pockets — a limited-draw opportunity.

  • Work the roughest, most remote coulee pockets where elk hide from pressure
  • Glass at dawn from high vantage points across the Breaks
  • Be prepared for long stalks and long pack-outs in broken ground

Pronghorn

common opportunity

Pronghorn range the open sage-grass benches and prairie flats bordering the Breaks.

  • Glass the open benches and spot-and-stalk using coulees for cover
  • Watch water sources and fence lines
  • Judge horns carefully at distance with a spotting scope

Whitetail Deer

limited opportunity

Whitetails hold in the timbered river and creek bottoms, far outnumbered by mule deer on the surrounding breaks.

  • Still-hunt cottonwood bottoms along the Missouri and tributaries
  • Focus brushy draws at last light during the rut

Pro tips

  • This is a glass-and-hike unit — set up on high vantage points and grind miles on foot rather than road-hunting
  • Bring extra fuel and food; the nearest reliable services are more than an hour away
  • Never drive the Breaks two-tracks when wet — gumbo will strand a truck; wait it out
  • Camp at Fred Robinson Bridge to cut drive time to the river corridor to minutes
  • Check the current Block Management roster — enrolled ranches can open bench and bottom ground between the BLM parcels
  • Confirm current mule-deer buck restrictions before the season given the post-drought regulation changes

Watch out for

  • !Drought has driven steep mule deer declines and tighter buck opportunity — check current permit/restriction status
  • !Gumbo clay roads become impassable when wet and can strand vehicles for days
  • !Remote country with services hours away — carry extra fuel, water, and recovery gear
  • !Public/private and BLM/state boundaries interfinger — run a GPS ownership layer to stay legal

Logistics

Lewistown, about 1.5 hours south, is the nearest full-service town with lodging, groceries, and fuel; the small communities of Roy and Winifred sit closer. The developed campground at Fred Robinson Bridge puts you minutes from the river corridor. Carry extra fuel — services are far and the Breaks are remote.

Nearest towns: Lewistown, Winifred, Roy

Nearby units

FAQ

How big is Unit 417 in Montana?
Unit 417 (District 417 (Region 4)) covers about 860 square miles, ranging from roughly 2,250 to 3,500 feet in elevation. Area is computed from the unit boundary polygon.
How much public land is in Unit 417?
Approximately 38% of the unit is public land. Primary managers: BLM, private ranch + Block Management, MT DNRC state trust, USFWS (CMR Refuge adjacent). Always verify ownership boundaries on the ground.
What species does the catalog list for Unit 417?
Mule Deer, Rocky Mountain Elk, Pronghorn, Whitetail Deer. For seasons, tags, and regulations, use the official Montana agency resources linked on this page — this page carries no regulatory information.

Put Unit 417 on your map.

Boundary lines, public/private ownership, topo, and offline maps for this unit — in Baseline Maps, free for 14 days.