GMU · Arizona Game and Fish Department
Unit 45B
Arizona, 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 45B
Unit 45B is a GMU in Arizona, United States, set by Arizona Game and Fish Department. It covers about 1,078 km² (416 mi²). No town of the HuntGrid list lies inside it; the nearest is Wellton, about 50 km from its edge.
HuntGrid draws its boundary from Arizona Game and Fish Department's data for the 2026 season. The agency's regulations say which species and seasons use it.
- Unit code
- 45B
- Area
- 1,078 km²
- Area (miles)
- 416 mi²
- Boundaries
- 2026
Public and protected land mapped inside it
HuntGrid's public land layers map about 1,077 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 |
|---|---|---|
| KOFA NATIONAL WILDLIFE REFUGE | 1,077 | 100% |
| Kofa National Wildlife Refuge | 1,077 | 100% |
| Bureau of Land Management | 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 Arizona Game and Fish Department's regulations:
| Species | Dates | Details |
|---|---|---|
| Bighorn sheep | Nov 1, 2026 to Dec 31, 2026 | males, draw, Unit 22: Desert Hunt Area only (southern part; tribal lands excluded) source |
| Mule deer | Nov 6, 2026 to Nov 15, 2026 | antlered, draw source |
| White-tailed deer | Nov 6, 2026 to Nov 15, 2026 | antlered, draw source |
| Bighorn sheep | Nov 13, 2026 to Dec 3, 2026 | males, draw, 44B south of I-10, plus 45A and 45B north of the El Paso Natural Gas pipeline (Kofa National Wildlife Refuge) source |
| Bighorn sheep | Nov 13, 2026 to Dec 3, 2026 | males, draw, south of the El Paso Natural Gas pipeline only (Kofa National Wildlife Refuge) source |
| Bighorn sheep | Dec 4, 2026 to Dec 31, 2026 | males, draw, 44B south of I-10, plus 45A and 45B north of the El Paso Natural Gas pipeline (Kofa National Wildlife Refuge) source |
| Bighorn sheep | Dec 4, 2026 to Dec 31, 2026 | males, draw, south of the El Paso Natural Gas pipeline only (Kofa National Wildlife Refuge) source |
| Mule deer | Jan 1, 2027 to Jan 31, 2027 | antlered, archery source |
| White-tailed deer | Jan 1, 2027 to Jan 31, 2027 | antlered, archery source |
The official regulations have the final word: check them before you hunt.
Units around it
Next to it in the same unit system
What HuntGrid shows for Unit 45B
- 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 45B (GMU)?
About 1,078 km² (416 mi²), as HuntGrid maps Arizona Game and Fish Department's boundary.
How much public or protected land is in Unit 45B?
HuntGrid's public land layers map about 1,077 km² of public or protected land, 100% of the unit; the largest share is managed by KOFA NATIONAL WILDLIFE REFUGE. Public land doesn't always mean you can hunt there.
Where are the season dates for Unit 45B?
This page lists 9 seasons a person has checked against Arizona Game and Fish Department's regulations; the official regulations have the final word.
Which units are next to Unit 45B?
In the same unit system: Unit 41, Unit 44B, Unit 45A and Unit 45C.
More on huntgrid.net
Sources
Unit boundary: Arizona Game and Fish Department. Boundaries for the 2026 season.
HuntGrid isn't affiliated with Arizona Game and Fish Department. The official regulations and maps have the final word.