The Sierra Mazateca is a mountain range located in the state of Oaxaca, Mexico. It is part of the larger Sierra Madre mountain system and is known for its rich biodiversity and unique ecosystems. The region is home to various plant and animal species, many of which are endemic to the area. The Sierra Mazateca is also culturally significant, inhabited by the Mazatec people, who have a rich history and traditions. The mountains are known for their stunning landscapes, including deep valleys and lush forests, making it a popular destination for ecotourism and outdoor activities.