bighorn sheep hunting district · Montana Fish, Wildlife & Parks
Bighorn Sheep Hunting District 421
Montana, United States
The map opens on this unit. Turn on Hunting units in Layers to see its boundary with public land, your pins and the forecast.
About Bighorn Sheep Hunting District 421
Bighorn Sheep Hunting District 421 is a bighorn sheep hunting district in Montana, United States, set by Montana Fish, Wildlife & Parks. It covers about 389 km² (150 mi²). No town of the HuntGrid list lies inside it; the nearest is Cut Bank, about 83 km from its edge.
HuntGrid draws its boundary from Montana Fish, Wildlife & Parks's data for the 2026 season. The agency uses this unit system for Bighorn sheep.
- Unit code
- 421
- Area
- 389 km²
- Area (miles)
- 150 mi²
- Boundaries
- 2026
Public and protected land mapped inside it
HuntGrid's public land layers map about 389 km² of public or protected land inside it, 100% of the unit. Some protected land is privately owned (a conservation group's, for one). By manager, as the source names it:
| Manager | km² | Share |
|---|---|---|
| Forest Service Region 01 Northern | 389 | 100% |
| The Nature Conservancy | 0.0 | under 1% |
| Bureau of Land Management | 0.0 | under 1% |
| The Nature Conservancy of Montana | 0.0 | under 1% |
Boundaries are approximate and aren't legal descriptions. Public land doesn't always mean you can hunt there: check your local regulations and posted signs.
Public land: U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1
Seasons and regulations
Seasons for this unit that a person has checked against Montana Fish, Wildlife & Parks's regulations:
| Species | Dates | Details |
|---|---|---|
| Bighorn sheep | Sep 15, 2026 to Nov 29, 2026 | males, draw source |
The official regulations have the final word: check them before you hunt.
Units around it
Next to it in the same unit system
- Bighorn Sheep Hunting District 422
- Bighorn Sheep Hunting District 423
- Bighorn Sheep Hunting District 441
Other hunting units that cover part of it
What HuntGrid shows for Bighorn Sheep Hunting District 421
- Its boundary on the map; tap inside it for the unit's card with the agency's regulations link.
- Public land and the other hunting units in the same view, each with its source.
- Season dates once a person has checked them, and legal shooting hours where the rule is checked.
- Hourly wind with a scent cone for every stand, and official weather alerts.
- Offline maps: download the area and use the map, your pins and the forecast with no signal.
Questions
How big is Bighorn Sheep Hunting District 421?
About 389 km² (150 mi²), as HuntGrid maps Montana Fish, Wildlife & Parks's boundary.
How much public or protected land is in Bighorn Sheep Hunting District 421?
HuntGrid's public land layers map about 389 km² of public or protected land, 100% of the unit; the largest share is managed by Forest Service Region 01 Northern. Public land doesn't always mean you can hunt there.
Where are the season dates for Bighorn Sheep Hunting District 421?
This page lists 1 season a person has checked against Montana Fish, Wildlife & Parks's regulations; the official regulations have the final word.
Which units are next to Bighorn Sheep Hunting District 421?
In the same unit system: Bighorn Sheep Hunting District 422, Bighorn Sheep Hunting District 423 and Bighorn Sheep Hunting District 441.
More on huntgrid.net
Sources
Unit boundary: Montana Fish, Wildlife & Parks. Licence: Montana Fish, Wildlife & Parks (published with a no-warranty disclaimer). Boundaries for the 2026 season.
HuntGrid isn't affiliated with Montana Fish, Wildlife & Parks. The official regulations and maps have the final word.