Ah-Shi-Sle-Pah Wilderness | New Mexico

Ah‑Shi‑Sle‑Pah Wilderness in northwestern New Mexico features rolling badlands, colorful mudstone and sandstone hoodoos, petrified wood, and scientifically important fossils dating to the late Cretaceous. Located north of Chaco Canyon and southeast of the Bisti / De‑Na‑Zin Wilderness, the area is largely undeveloped to preserve its wilderness character. Hiking involves roaming through soft clay hills and sandstone outcrops without marked trails. This desert landscape of sagebrush, piñon‑juniper, and Great Basin scrub supports dramatic geology and fossil-bearing formations, offering visitors a rare opportunity to experience rugged badlands and paleontological heritage firsthand.

Hours and Seasons

The Wilderness Area is open year‑round, though access roads and terrain can become impassable after inclement weather. Spring and fall offer the most pleasant conditions for hiking and photography.

Features and Services

• Access & Parking: Portions of NM-57 may become impassable after rain or snow; high-clearance vehicles are recommended. There is a large dirt parking area at the wilderness boundary. The landscape is remote and no other facilities are present.
• Cell Service: Minimal to nonexistent; highly limited coverage.
• Toilets & Water: None available; visitors must carry all needed supplies.
• Pets: Allowed on leash; please pack out waste.
• Camping: Primitive, dispersed camping is permitted. Please check fire restrictions in advance, follow guidance on posted signs, and respect private property.
• Nearby Amenities: Farmington provides food, fuel, lodging, and medical services.

Respect and Protect

Motorized and mechanical travel, including bicycles and drones, is prohibited. Travelers should practice responsible outdoor ethics, stay within legal access boundaries, and follow BLM regulations for rock collecting. Enjoy exploring, but please do not climb or damage hoodoos or other fragile geological features.