Unit 20A

About Unit 20A

Unit 20A is a GMU in Idaho, United States, set by Idaho Department of Fish and Game. It covers about 1,956 km² (755 mi²). No town of the HuntGrid list lies inside it; the nearest is McCall, about 44 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

20A

Area

1,956 km²

Area (miles)

755 mi²

Boundaries

2026

Public and protected land mapped inside it

HuntGrid's public land layers map about 1,953 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:

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 19
• Unit 19A
• Unit 20
• Unit 21
• Unit 25
• Unit 26
• Unit 27
• Unit 28

Other hunting units that cover part of it

• Duck Area 1
• Canada Geese Area 1 (Canada goose area)
• Light Geese Area 1 (light goose area)
• White-fronted Geese Area 1 (white-fronted goose area)
• Light Geese Area 2 (light goose area)
• White-fronted Geese Area 2 (white-fronted goose area)
• Canada Geese Area 2 (Canada goose area)
• Duck Area 2
• Deer controlled hunt area 20A
• Middle Fork Elk Zone
• Rocky Mtn Sheep controlled hunt area 19A*
• Rocky Mtn Sheep controlled hunt area 20A*
• Rocky Mtn Sheep controlled hunt area 20AL*

What HuntGrid shows for Unit 20A

• 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 20A (GMU)?

About 1,956 km² (755 mi²), as HuntGrid maps Idaho Department of Fish and Game's boundary.

How much public or protected land is in Unit 20A?

HuntGrid's public land layers map about 1,953 km² of public or protected land, 100% of the unit; the largest share is managed by Forest Service Region 04 Intermountain. Public land doesn't always mean you can hunt there.

Where are the season dates for Unit 20A?

This page lists 11 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 20A?

In the same unit system: Unit 19, Unit 19A, Unit 20, Unit 21, Unit 25, Unit 26, Unit 27 and Unit 28.

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.