The Oaxacan montane forests is a tropical moist broadleaf forest ecoregion in eastern Mexico. It includes a belt of montane tropical forest on the eastern slope of the Sierra Madre de Oaxaca and eastern Trans-Mexican Volcanic Belt ranges. These forests lie between the lowland Petén-Veracruz moist forests and Veracruz moist forests, and the pine-oak forests of the higher mountains.