Unit 43, New Mexico

Elevation ranges from approximately 4,800 feet on the eastern plains near Santa Rosa to about 7,500 feet in the forested foothills north and west of Las Vegas. Roughly 80% of the unit is flat to gently rolling desert terrain with draws and low foothills; the central third, especially the northern portion near the Pecos River drainage, rises into more dissected forested hills. Mesas with steep escarpment edges mark the northern border and the southeast corner near Santa Rosa Lake. The Pecos River cuts a sandstone canyon through the unit's eastern interior near Villanueva.

Public land is limited at approximately 26% of the unit and scattered throughout. The two non-contiguous segments of the Santa Fe National Forest within the unit fall under the Pecos/Las Vegas Ranger District (Ranger Station at 32 South Main Street, Pecos, NM, (505) 757-6121); motor vehicle use maps are available from the district office or via the Avenza app. BLM parcels managed by the Rio Puerco and Taos Field Offices are dispersed across the unit with access primarily via unpaved two-track roads off I-40 near Clines Corner and US-285/US-245 corridors. Villanueva State Park (sandstone canyon, Pecos River frontage) and Santa Rosa Lake State Park provide additional public access nodes. New Mexico State Trust Lands are accessible under a NMDGF–State Land Office easement agreement: a valid hunting license grants access during open season plus a 14-day scouting window before the hunt; no additional permit is required, but off-road vehicle travel on unestablished roads is prohibited. The vast majority of the unit (~73%) is private ranch land with no general public access; hunters should expect locked gates and checkerboard ownership patterns. Boundary roads include I-40 (south), NM-41 (west, Moriarty to Galisteo), I-25 (north, through Santa Fe and east to Romeroville), US-84 (northeast, Romeroville to Dilia at the Pecos River), and the Pecos River corridor south to Santa Rosa. No designated wilderness areas fall within the unit; the Pecos Wilderness lies upstream along the Pecos River in adjacent units to the northwest.

Desert grasslands dominate the lower elevations and plains, with yucca, cholla cactus, and a variety of desert shrubs common throughout. Pinyon-juniper woodland occupies draw edges, mesa rims, and mid-elevation slopes. Ponderosa pine appears on north-facing slopes and ridgelines in the higher forested hills of the unit's central and northern sections. Riparian cottonwood and willow gallery forest follows the Pecos River corridor through Villanueva canyon. State trust lands interspersed with private ranch grasslands make up much of the open country away from the river and forest patches.

Mule deer are present throughout the unit and, because of the large proportion of private land, some bucks reach exceptional age class (7–9 years) on ranches where hunting pressure is managed. Elk are present in lower densities than the high-country units to the north and west; they use the forested hills and pinyon-juniper transitional terrain in the central portion of the unit. Pronghorn occupy the grassland and desert shrub flats, particularly in the eastern and southern portions of the unit. Black bear and mountain lion are present in the forested segments near the Pecos drainage. Merriam's turkey utilize the ponderosa and mixed-conifer habitat in the unit's higher forested sections. Wildlife concentrations are generally lower compared to neighboring high-country units, and animals on private land are seldom accessible to public-land hunters without landowner permission or an E-PLUS ranch authorization.