The Chiricahua Mountains are the largest of Arizona’s Sky Island mountain ranges and the second highest. The main crest of the mountain range resembles rolling hills atop a narrow high plateau rather than distinct mountain peaks. This relatively flat area is bounded on the east and west by steep slopes and sharply dissected canyons. Engelmann spruce (Picea engelmanii)reaches its southernmost limit in North America in this mountain range. The vegetation at upper elevations is dominated by ponderosa pine, Douglas-fir, and white fir, with the ponderosa pine evenly distributed and the other two conifers confined mostly to north-facing slopes. Small dense stands of Engelmann spruce are found on several north-facing slopes.
- Chiricahua National Monument: This National Monument features a wonderland of rock spires eroded from layers of ash deposited by the Turkey Creek Volcanic eruption 27 million years ago.
- Chiricahua Wilderness: The Chiricahua Wilderness is home to a fascinating diversity of both plant and animal life, as well as some of the Southwest’s most spectacular geology. This 87,700-acre wilderness covers much of the upper slopes and inner canyons of the mountain range.
Southwestern Research Station: The Southwestern Research Station is a year-round field station owned and operated by the American Museum of Natural History. Since 1955, it has served biologists, geologists, and anthropologists interested in studying the diverse environments and biotas of the Chiricahua Mountains.
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