[3] The region is semi-arid and lies in the foothills of the Sierra Madre Occidental.
Mammals still present are deer, puma, lynx, coyote, jaguar, mapache, and skunk.
Scarce economic opportunities have caused many young people to emigrate.
The population density is extremely low, with 0.88 inhabitants per square kilometer.
The economy is almost entirely based on agriculture and cattle raising, both of which are poorly developed due to the shortage of water.