Santa María Ecatepec is a town and municipality in Oaxaca in south-western Mexico.

[1] The municipality covers an area of 719.56 km² at an elevation of 1,840 meters above sea level in the Sierra Madre del Sur mountains.

Forests contain pine, oak, mahogany, cedar, ash, Tepehuaje, guanacastle and cuachipilin.

Wildlife includes coyote, fox, puma, deer, squirrel, badger, armadillo, ocelot, lion, wolf, raccoon, opossum and boar.

[1] Economic activities include agriculture (maize, sorghum, peanuts, beans, coffee and various fruits), animal husbandry, logging, pottery and tannery.