Unit 58 Unit 58
High-success plains pronghorn in a private-ranch and scattered-grassland corner
Northeast plains — Dry Cimarron canyons & shortgrass pronghorn country · Last reviewed 2026-07-12
Area
1,532
sq mi
Public land
20%
approx.
Elevation
4,900–7,000
feet
Motorized
moderate
access
Overview
Unit 58 sits in the far northeast corner of New Mexico in Union County, hard against the Oklahoma panhandle and the Colorado line. It is rough Dry Cimarron canyon and volcanic mesa country in the north giving way to rolling shortgrass prairie in the south. This is first and foremost a pronghorn unit — antelope run high success here (roughly 72% on a big tag pool) — with a modest mule deer hunt in the canyon breaks and grassland draws. The catch is ownership: the unit is overwhelmingly private ranchland, with only scattered Kiowa National Grassland, BLM and State Trust tracts open to the public.
Terrain
Rugged Dry Cimarron River canyons, volcanic buttes and basalt-capped mesas in the north drop to flat and rolling shortgrass plains and shallow drainages in the south.
Cover: Shortgrass prairie and sagebrush on the flats, with piñon-juniper, scrub oak and cottonwood-lined draws through the canyon and mesa country.
Landmarks: Dry Cimarron River · Kiowa National Grassland (scattered tracts) · Oklahoma & Colorado state lines · volcanic mesas and buttes
Access
Private ranchland is the dominant ownership. The Kiowa National Grassland here is not contiguous — it is a checkerboard of USFS tracts interlaced with private ranches, plus scattered BLM and State Trust parcels. Much of the pronghorn and deer hunting happens on private ground through New Mexico's landowner tag systems (A-PLUS for antelope, E-PLUS for elk/deer), so DIY public hunters must map ownership carefully. State Trust access requires a valid NM license.
Managers: private ranch (A-PLUS / E-PLUS), Kiowa National Grassland (USFS Cibola NF), BLM, NM State Trust
Access points: US-56 / US-64 / US-87 corridors near Clayton · county roads out of Folsom and Des Moines · Kiowa National Grassland tract access roads
Species notes
Pronghorn
abundant qualityThe marquee hunt. Union County shortgrass plains hold strong pronghorn numbers and success runs high — around 72% — with respectable horn quality on well-managed ranches. Most tags are drawn or come through the A-PLUS private-land system, and the best bucks live on lightly pressured private grass.
- →Glass the rolling prairie at dawn and again in the evening for feeding and watering bucks
- →Locate water tanks and windmills — pronghorn tie to them in dry country
- →Spot-and-stalk using terrain rolls, or set up a decoy/blind on a rutting buck
- →Secure private-land or A-PLUS access early; the low-pressure ranches hold the better animals
Mule Deer
common opportunityA secondary hunt with moderate success (near 39%). Mule deer hold in the Dry Cimarron canyons, mesa breaks and brushy draws; a few whitetail also use the timbered canyon bottoms. Deer densities are lower than the elk-and-deer mountain units to the west.
- →Hunt the canyon rims and brushy draws where deer bed and feed
- →Glass mesa breaks and cottonwood bottoms at first and last light
- →Focus on private or Grassland tracts with cover and water
- →Still-hunt piñon-juniper edges in the rougher north end
Pro tips
- →Lock down private-land or A-PLUS access before the season — public ground is scattered and limited
- →Run a parcel/ownership map to sort Kiowa Grassland, BLM and State Trust from private ranch
- →Hunt water in dry years — tanks and windmills are pronghorn magnets
- →Work the Dry Cimarron canyon country for the best mule deer cover
- →Plan for relentless plains wind when glassing and shooting
Watch out for
- !Overwhelmingly private land — DIY public access is limited and checkerboarded
- !Kiowa National Grassland tracts are non-contiguous and easy to stray off of
- !State Trust access requires a valid NM hunting license
- !Dry-country water and afternoon heat on early pronghorn hunts
- !Wind and sudden storms on exposed high plains
Logistics
Clayton is the main service town for the unit with fuel, lodging and supplies; Raton and Des Moines cover the northwest end. The road grid is decent but crosses constant private/public boundaries, so a good ownership mapping layer is essential. This is remote high-plains country — expect long drives, wind, and few services once you leave the highways.
Nearest towns: Clayton, Des Moines, Folsom, Raton
Seasons & regulations
This page carries no season dates or regulations. Get current rules from the official New Mexico sources:
Research sources: NMDGF Game Management Unit Maps · Kiowa & Rita Blanca National Grasslands (USFS Cibola NF) · Public Lands Interpretive Association — NM Unit 58 / Kiowa · GOHUNT New Mexico Unit 58 Profile
FAQ
- How big is Unit 58 in New Mexico?
- Unit 58 (Unit 58) covers about 1,532 square miles, ranging from roughly 4,900 to 7,000 feet in elevation. Area is computed from the unit boundary polygon.
- How much public land is in Unit 58?
- Approximately 20% of the unit is public land. Primary managers: private ranch (A-PLUS / E-PLUS), Kiowa National Grassland (USFS Cibola NF), BLM, NM State Trust. Always verify ownership boundaries on the ground.
- What species does the catalog list for Unit 58?
- Pronghorn, Mule Deer. For seasons, tags, and regulations, use the official New Mexico agency resources linked on this page — this page carries no regulatory information.
Put Unit 58 on your map.
Boundary lines, public/private ownership, topo, and offline maps for this unit — in Baseline Maps, free for 14 days.