GMU · Idaho Department of Fish and Game
Unit 66A
Idaho, 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 Unit 66A
Unit 66A is a GMU in Idaho, United States, set by Idaho Department of Fish and Game. It covers about 694 km² (268 mi²). No town of the HuntGrid list lies inside it; the nearest is Soda Springs, about 38 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
- 66A
- Area
- 694 km²
- Area (miles)
- 268 mi²
- Boundaries
- 2026
Public and protected land mapped inside it
HuntGrid's public land layers map about 490 km² of public or protected land inside it, 71% 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 04 Intermountain | 458 | 66% |
| GRAYS LAKE NATIONAL WILDLIFE REFUGE | 17 | 2% |
| Grays Lake National Wildlife Refuge | 16 | 2% |
| Idaho Department of Lands | 12 | 2% |
| Bureau of Land Management | 3.8 | under 1% |
| Unknown | 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 Idaho Department of Fish and Game's regulations:
| Species | Dates | Details |
|---|---|---|
| Cougar (mountain lion) | Jul 1, 2026 to Jun 30, 2027 | source |
| Grey wolf | Jul 1, 2026 to Jun 30, 2027 | source |
| American black bear | Aug 30, 2026 to Oct 31, 2026 | source |
| American black bear | Apr 15, 2027 to Jun 30, 2027 | source |
The official regulations have the final word: check them before you hunt.
Units around it
Next to it in the same unit system
Other hunting units that cover part of it
- Light Geese Area 1 (light goose area)
- White-fronted Geese Area 1 (white-fronted goose area)
- Sandhill Crane Area 1
- Duck Area 2
- Canada Geese Area 2 (Canada goose area)
- Canada Geese Area 4 (Canada goose area)
- Deer controlled hunt area 66A
- Deer controlled hunt area 66A-1X
- Diamond Creek Elk Zone
- Elk controlled hunt area 66-2
- Elk controlled hunt area 66A
- Elk controlled hunt area 66A-1
- Elk controlled hunt area 66A-1X
- Moose controlled hunt area 66A
What HuntGrid shows for Unit 66A
- 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 Unit 66A (GMU)?
About 694 km² (268 mi²), as HuntGrid maps Idaho Department of Fish and Game's boundary.
How much public or protected land is in Unit 66A?
HuntGrid's public land layers map about 490 km² of public or protected land, 71% 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 66A?
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 66A?
In the same unit system: Unit 66, Unit 69 and Unit 76.
More on huntgrid.net
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.
HuntGrid isn't affiliated with Idaho Department of Fish and Game. The official regulations and maps have the final word.