Unit 40

About Unit 40

Unit 40 is a GMU in Idaho, United States, set by Idaho Department of Fish and Game. It covers about 5,856 km² (2,261 mi²). The town of Homedale is inside it.

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

40

Area

5,856 km²

Area (miles)

2,261 mi²

Boundaries

2026

Public and protected land mapped inside it

HuntGrid's public land layers map about 4,417 km² of public or protected land inside it, 75% 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 38
• Unit 41
• Unit 42

Other hunting units that cover part of it

• Duck Area 1
• Canada Geese Area 1 (Canada goose area)
• White-fronted Geese Area 3 (white-fronted goose area)
• Light Geese Area 3 (light goose area)
• California Sheep controlled hunt area 40
• Deer controlled hunt area 40
• Deer controlled hunt area 40-1X
• Elk controlled hunt area 40
• Elk controlled hunt area 40-1
• Elk controlled hunt area 40-1X
• Owyhee Elk Zone
• Pronghorn controlled hunt area 40
• Pronghorn controlled hunt area 40-1

What HuntGrid shows for Unit 40

• 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 40 (GMU)?

About 5,856 km² (2,261 mi²), as HuntGrid maps Idaho Department of Fish and Game's boundary.

How much public or protected land is in Unit 40?

HuntGrid's public land layers map about 4,417 km² of public or protected land, 75% of the unit; the largest share is managed by Bureau of Land Management. Public land doesn't always mean you can hunt there.

Where are the season dates for Unit 40?

This page lists 4 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 40?

In the same unit system: Unit 38, Unit 41 and Unit 42.

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.