Sierra San Luis
|Sierra San Luis|
|Length||20 mi (32 km) (N-S)|
|Width||15 mi (24 km) E-W|
|States||Sonora and Chihuahua|
|Borders on||Sierra del Tigre-SW
The Sierra San Luis range is a mountain range in northwest Chihuahua, northeast Sonora, Mexico at the northern region of the Sierra Madre Occidental cordillera. The region contains sky island mountain ranges, called the Madrean Sky Islands, some separated from the Sierra Madre Occidental proper, and occurring in the northeastern Sonoran Desert, and extreme west-northwestern Chihuahuan Desert. Many of the ranges occur in southeast Arizona.
Most of Sierra San Luis is privately owned land. The mountain range and the range to the north, the Peloncillo Mountains of Hidalgo County, New Mexico, can be viewed from the west at the Leslie Canyon National Wildlife Refuge and the San Bernardino National Wildlife Refuge.
Fauna and flora
Sky islands often lead to geographic isolation; (the tepuis of north-northeastern South America). The Madrean Sky Islands are being studied for mammal movements, the cats especially, bobcats, mountain lions, etc.
- Geographic isolation,..a threatened sky island rattlesnake.
Fauna and flora:
Rio Bavispe Reserve & Sierra del Tigre
- Sierra El Tigre-(click on Locator Map for Sierra San Luis)-(Article and Locator Map, regional mountain ranges)
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