
Cookes Peak
EasyPublic LandDeming · Luna County · 18 mi from Deming
32.55698, -107.72501
High desert rockhounding on BLM land near Cookes Peak featuring colorful agate, jasper, and quartz specimens. Easy access with no permits required.
Cookes Peak rises to 6,408 feet in southwestern New Mexico's Luna County, offering excellent rockhounding opportunities across surrounding BLM land. This area sits within the Basin and Range physiographic province where Tertiary-age volcanic activity and associated hydrothermal processes deposited silica-rich minerals including agate, jasper, and quartz in the surrounding volcanic and alluvial deposits. The moderate slopes and semi-arid desert terrain provide accessible collecting areas with scattered outcrops and wash deposits where colorful specimens are commonly found.
The geology here reflects a classic Basin and Range environment - ancient volcanic rocks interlayered with ash falls and sedimentary deposits that have weathered over millions of years. These weathering processes have concentrated and polished gemstone materials into the washes and hillsides rockhounds explore today. Agate nodules and banded jasper are particularly abundant, often with striking color variations from cream and tan to rust and brown.
Access is straightforward across open BLM land with multiple collecting zones within short hiking distances from pullouts. The elevation of over 6,400 feet means cooler temperatures year-round compared to lower desert areas, and the terrain is manageable for rockhounders of varying experience levels. Expect to spend anywhere from a few hours to a full day depending on how thoroughly you want to explore the washes and hillsides.
Because this is public BLM land, there are no permits, fees, or commercial restrictions - you collect for personal use only under the standard 25-pound daily limit. The combination of scenic high desert landscape, accessible terrain, and consistent mineral finds makes Cookes Peak a reliable destination for agate and jasper hunters in southwestern New Mexico.
Cookes Peak and the surrounding Luna County area sit within an ancient volcanic province shaped by Eocene to Miocene volcanic and extensional tectonics. The extensive volcanism deposited thick sequences of rhyolitic ash flows and volcanic rocks that later hosted silica-rich hydrothermal fluids, creating the agate and jasper deposits found here today. Early prospectors in this region searched primarily for metallic minerals, but the colorful silicate deposits have attracted rockhounds for decades.
Moderate slope terrain at 6,408 feet elevation. Scattered low brush and desert vegetation typical of high Chihuahuan Desert. Rocky volcanic substrate with washes and arroyos between gentle hillsides. Walking distance from parking areas typically 0.5 to 2 miles. Footing is uneven with loose volcanic rock and occasional sharp fragments; sturdy boots recommended.
Focus your search in and around the washes that drain from Cookes Peak and surrounding hills - erosion naturally concentrates heavier agate and jasper specimens in these low areas. Bring a hand lens to examine matrix material and small outcrops; look for translucent or banded chalcedony, which often indicates nearby agate. Use a small hammer or pry bar to carefully work exposed specimens from weathered volcanic matrix, and watch for the characteristic waxy luster and smooth feel of agate. Start searching along the base of rocky outcrops and in the wash beds where older collections have been worked - these are proven productive zones.
From Deming, head north approximately 20 miles toward Cookes Peak. Take US-180 north out of town, then connect to NM 26 heading north to access the rockhounding area. The peak and surrounding sites are located in the desert terrain north of Deming near the coordinates provided. Use the GPS coordinates and a navigation app for the final approach.
October - April. The high elevation (6,400+ ft) keeps temperatures moderate during winter months, avoiding the extreme heat of lower desert areas. Summer daytime temperatures often exceed 85F, making morning-only or evening collecting sessions necessary. Spring and fall provide ideal conditions with comfortable temperatures and lower precipitation.
US 180 is paved. Access to collecting areas may require short walks on dirt/gravel or across open BLM land. High-clearance vehicle helpful for some pullouts but not required.
Multiple informal pullouts along US 180 near Cookes Peak area. No formal parking facilities or amenities. Park safely off the roadway and note your location for return.
Deming, NM - approximately 18 miles west. Gas, food, water, and lodging available. Last services before remote collecting area.
Relatively accessible for most hikers despite uneven rocky terrain. Moderate slopes and short walking distances (0.5 - 2 miles) from parking areas. Loose volcanic rock and sharp fragments require sturdy footwear. No wheelchair access on collecting trails. Limited shade or water sources in collecting area - bring adequate supplies.
Personal use only. Maximum 25 lbs per day per Federal Land Policy and Management Act (FLPMA). No commercial collection. No motorized excavation. Collect only non-living materials (rocks, minerals, fossils); do not disturb vegetation, wildlife, or archaeological sites. Pack out all trash. 25 lbs per day
Personal use only Maximum 25 lbs per day per FLPMA No commercial collection No motorized excavation Do not disturb vegetation or archaeological sites Pack out all trash




















































































