game management unit · New Mexico Department of Wildlife
GMU 21B
New Mexico, 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 GMU 21B
GMU 21B is a game management unit in New Mexico, United States, set by New Mexico Department of Wildlife. It covers about 6,606 km² (2,550 mi²). Towns inside it include Las Cruces and Truth or Consequences.
HuntGrid draws its boundary from New Mexico Department of Wildlife's data for the 2026 season. The agency's regulations say which species and seasons use it.
- Unit code
- 21B
- Area
- 6,606 km²
- Area (miles)
- 2,550 mi²
- Boundaries
- 2026
Public and protected land mapped inside it
HuntGrid's public land layers map about 4,763 km² of public or protected land inside it, 72% 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 |
|---|---|---|
| Bureau of Land Management | 2,653 | 40% |
| Unknown | 1,479 | 22% |
| Private owners (names not shown) | 625 | 9% |
| Unknown | 4.2 | under 1% |
| New Mexico State Parks | 3.2 | under 1% |
| City of Las Cruces | 2.1 | under 1% |
| Forest Service Region 03 Southwestern | 0.5 | under 1% |
| Unknown | 0.2 | under 1% |
| Other or unnamed managers | 0.3 | 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 New Mexico Department of Wildlife's regulations:
| Species | Dates | Details |
|---|---|---|
| Mule deer | Oct 31, 2026 to Nov 4, 2026 | antlered, muzzleloader, draw source |
| White-tailed deer | Oct 31, 2026 to Nov 4, 2026 | antlered, muzzleloader, draw source |
| Mule deer | Nov 7, 2026 to Nov 11, 2026 | antlered, draw source |
| White-tailed deer | Nov 7, 2026 to Nov 11, 2026 | antlered, draw source |
| Mule deer | Nov 14, 2026 to Nov 18, 2026 | antlered, draw source |
| White-tailed deer | Nov 14, 2026 to Nov 18, 2026 | antlered, draw source |
| Elk (wapiti) | Nov 21, 2026 to Nov 25, 2026 | antlerless, residents, draw source |
| Mule deer | Nov 21, 2026 to Nov 29, 2026 | antlered, draw source |
| White-tailed deer | Nov 21, 2026 to Nov 29, 2026 | antlered, draw source |
| Elk (wapiti) | Nov 28, 2026 to Dec 2, 2026 | antlerless, residents, draw source |
| Elk (wapiti) | Dec 5, 2026 to Dec 9, 2026 | antlerless, residents, draw source |
| White-tailed deer | Dec 5, 2026 to Dec 13, 2026 | antlered, draw source |
| Elk (wapiti) | Dec 12, 2026 to Dec 16, 2026 | antlerless, residents, draw source |
| Elk (wapiti) | Dec 19, 2026 to Dec 23, 2026 | antlered, archery, draw source |
| Mule deer | Jan 1, 2027 to Jan 15, 2027 | antlered, archery, draw source |
| White-tailed deer | Jan 1, 2027 to Jan 15, 2027 | antlered, archery, draw 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
What HuntGrid shows for GMU 21B
- 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 GMU 21B (game management unit)?
About 6,606 km² (2,550 mi²), as HuntGrid maps New Mexico Department of Wildlife's boundary.
How much public or protected land is in GMU 21B?
HuntGrid's public land layers map about 4,763 km² of public or protected land, 72% 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 GMU 21B?
This page lists 16 seasons a person has checked against New Mexico Department of Wildlife's regulations; the official regulations have the final word.
Which units are next to GMU 21B?
In the same unit system: GMU 16C, GMU 16E, GMU 17, GMU 19, GMU 20, GMU 21A, GMU 23, GMU 24 and GMU 25.
More on huntgrid.net
Sources
Unit boundary: New Mexico Department of Wildlife. Licence: New Mexico Department of Wildlife (published with a no-warranty disclaimer). Boundaries for the 2026 season.
HuntGrid isn't affiliated with New Mexico Department of Wildlife. The official regulations and maps have the final word.