Unit 4

About Unit 4

Unit 4 is a GMU in Idaho, United States, set by Idaho Department of Fish and Game. It covers about 3,189 km² (1,231 mi²). No town of the HuntGrid list lies inside it; the nearest is Hayden, about 22 km from its edge.

HuntGrid draws its boundary from Idaho Department of Fish and Game's data for the 2026 season. The agency's regulations say which species and seasons use it.

Unit code

4

Area

3,189 km²

Area (miles)

1,231 mi²

Boundaries

2026

Public and protected land mapped inside it

HuntGrid's public land layers map about 2,534 km² of public or protected land inside it, 79% of the unit. Some protected land is privately owned (a conservation group's, for one). By manager, as the source names it:

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 Idaho Department of Fish and Game's regulations:

The official regulations have the final word: check them before you hunt.

Official regulations: Idaho Department of Fish and Game

Units around it

Next to it in the same unit system

• Unit 3
• Unit 4A
• Unit 6
• Unit 7

Other hunting units that cover part of it

• Canada Geese Area 3 (Canada goose area)
• Duck Area 3
• White-fronted Geese Area 4 (white-fronted goose area)
• Light Geese Area 5 (light goose area)
• Deer controlled hunt area 1-1
• Elk controlled hunt area 1-2
• Elk controlled hunt area 4
• Moose controlled hunt area 4
• Panhandle Elk Zone

What HuntGrid shows for Unit 4

• 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.

Open in HuntGrid

Questions

How big is Unit 4 (GMU)?

About 3,189 km² (1,231 mi²), as HuntGrid maps Idaho Department of Fish and Game's boundary.

How much public or protected land is in Unit 4?

HuntGrid's public land layers map about 2,534 km² of public or protected land, 79% 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 Unit 4?

This page lists 24 seasons a person has checked against Idaho Department of Fish and Game's regulations; the official regulations have the final word.

Which units are next to Unit 4?

In the same unit system: Unit 3, Unit 4A, Unit 6 and Unit 7.

More on huntgrid.net

• Hunting map of Idaho
• HuntGrid, the hunting app

Sources

Unit boundary: Idaho Department of Fish and Game. Licence: Idaho Department of Fish and Game (published with a no-warranty disclaimer). Boundaries for the 2026 season.

• The agency's boundary data
• Official regulations

HuntGrid isn't affiliated with Idaho Department of Fish and Game. The official regulations and maps have the final word.