The Cajones River, in the Ayotzintepec municipality, divides the

Sierra Juárez, Oaxaca The Sierra Juárez is a range of mountains in Oaxaca state, Mexico between latitudes 17°20'-17°50'N and longitudes 96°15'-97°00'W, with an area of about 1,700 km² (656 sq mi). It is part of the Sierra Madre de Oaxaca. The range is separa ...

from the Sierra de Villa Alta in

Oaxaca Oaxaca ( , also , , from nci, Huāxyacac ), officially the Free and Sovereign State of Oaxaca ( es, Estado Libre y Soberano de Oaxaca), is one of the 32 states that compose the political divisions of Mexico, Federative Entities of Mexico. It is ...

state,

Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...

. It joins the Manso River to form the Tesechoacan River, a tributary of the

Papaloapan River The Papaloapan River () is one of the main rivers of the Political divisions of Mexico, Mexican state of Veracruz (state), Veracruz. Its name comes from the Nahuatl ''papaloapan'' meaning "river of the Butterfly, butterflies". In 1517, Juan de Gri ...

References

Geography of Mesoamerica Rivers of Oaxaca Papaloapan River {{Mexico-river-stub