Unit 670 District 670 (Region 6)
Remote Hi-Line general-tag country with late-season migrant mule deer
Hi-Line Prairie & Milk River — Region 6 · Last reviewed 2026-07-12
Area
4,120
sq mi
Public land
45%
approx.
Elevation
2,200–3,300
feet
Motorized
moderate
access
Overview
District 670 covers a big stretch of Montana's Hi-Line prairie along the Highway 2 corridor from the Hinsdale–Glasgow area north to the Canadian border, a mix of open shortgrass and sage rangeland, dryland grain fields, and the Milk River bottom. It is a general-tag district best known for mule deer — including a late-season influx of bucks that migrate down out of Canada's Grasslands region as snow builds — plus whitetail in the river and creek bottoms and pronghorn across the open plains. Elk are scarce but appear to be expanding from the north. Public access runs close to half the district through BLM, state trust, and a heavy Block Management footprint, and hunting pressure is low, especially during archery season.
Terrain
Wide, gently rolling Hi-Line prairie and grain country cut by coulees and the Milk River bottom, with sage flats and scattered badland breaks toward the river and reservoir.
Cover: Shortgrass and mixed-grass prairie, big sagebrush flats, silver sage and greasewood in the draws; cottonwood, willow, and buffaloberry along the Milk River and creek bottoms; extensive dryland wheat and hay ground.
Landmarks: Milk River bottom · Highway 2 (Hi-Line) corridor · Canadian border (north) · Fort Peck Reservoir vicinity (south) · Prairie coulees and sage flats
Access
Roughly 45% of the district is public, a strong figure for prairie Montana, spread across BLM, state trust sections, and a large amount of private ground enrolled in Block Management. That combination makes this a genuinely accessible general-tag unit. The Milk River bottoms and the best whitetail cover are often private, so check the Block Management map and knock on doors for river-bottom access.
Managers: private ranch + Block Management, BLM, MT DNRC state trust, USFWS (Bowdoin / prairie wetlands vicinity)
Access points: Highway 2 corridor towns (Hinsdale, Glasgow, Malta area) · County roads and BLM two-tracks off Highway 2 · Milk River bottom crossings and Block Management access · Block Management Area sign-in boxes
Species notes
Mule Deer
common qualityThe headline species — mule deer hold the sage flats, coulees, and prairie breaks, and the district draws a late-season migration of bucks pushing south out of Canada's Grasslands country as snow deepens.
- →Glass sage ridges, coulee rims, and prairie breaks at first and last light
- →Hunt the late rifle season during snow for migrant bucks moving south
- →Spot-and-stalk across the open country using folds and coulees
- →Cover ground on foot from BLM/Block Management to reach undisturbed bucks
Whitetail Deer
common opportunityWhitetail live in the Milk River bottom and brushy creek draws and along ag edges; populations have been knocked around by disease but remain a solid opportunity.
- →Hunt the Milk River cottonwood bottoms and brushy draws at dawn and dusk
- →Watch grain and alfalfa edges near cover
- →Rattle and grunt in the bottoms during the November rut
Pronghorn
common opportunityA classic Hi-Line pronghorn unit — antelope range the open sage prairie and grain flats across the district.
- →Glass wide from prairie high points and spot-and-stalk
- →Focus on sage flats and stock-water sources
- →Use decoys during the early rut for territorial bucks
Rocky Mountain Elk
limited opportunityElk are scarce here but the northern prairie herds appear to be expanding, so occasional animals turn up along the coulees and river breaks.
- →Check the Milk River breaks and larger coulee systems where elk occasionally hold
- →Glass for herds at dawn on the open prairie edges
Pro tips
- →Time the late rifle season and hunt snow for migrant mule deer bucks moving down from Canada
- →This is a low-pressure general-tag unit — archery season is especially uncrowded
- →Use the heavy Block Management footprint plus BLM/state to access otherwise-private ground
- →Work the Milk River bottoms for whitetail and rutting-season action
- →Glass big country and be ready to make long stalks across open prairie
Watch out for
- !Milk River bottoms and prime whitetail cover are often private — use Block Management or get permission
- !Gumbo prairie roads turn impassable when wet; a snow or rain event can strand you
- !Late-season migrant mule deer hunting depends on snow and cold — timing is everything and variable
- !Remote Hi-Line country with limited services and spotty cell coverage — carry fuel, water, and recovery gear
Logistics
Glasgow is the main hub for fuel, lodging, and supplies on the Hi-Line, with Hinsdale and Malta offering fuel and basics. Fort Peck to the south adds camping and reservoir recreation. This is big, open country — plan for long drives, top off fuel, and expect limited cell coverage off the Highway 2 corridor.
Nearest towns: Glasgow, Hinsdale, Malta
Seasons & regulations
This page carries no season dates or regulations. Get current rules from the official Montana sources:
Research sources: MTFWP Region 6 (Northeast Montana) · MTFWP Block Management: Region 6 · Montana Hunt District 670 Unit Profile (GOHUNT) · MTFWP Deer/Elk Hunting District Maps
FAQ
- How big is Unit 670 in Montana?
- Unit 670 (District 670 (Region 6)) covers about 4,120 square miles, ranging from roughly 2,200 to 3,300 feet in elevation. Area is computed from the unit boundary polygon.
- How much public land is in Unit 670?
- Approximately 45% of the unit is public land. Primary managers: private ranch + Block Management, BLM, MT DNRC state trust, USFWS (Bowdoin / prairie wetlands vicinity). Always verify ownership boundaries on the ground.
- What species does the catalog list for Unit 670?
- Mule Deer, Whitetail Deer, Pronghorn, Rocky Mountain Elk. For seasons, tags, and regulations, use the official Montana agency resources linked on this page — this page carries no regulatory information.
Put Unit 670 on your map.
Boundary lines, public/private ownership, topo, and offline maps for this unit — in Baseline Maps, free for 14 days.