The Sierra Madre Oriental is home to the Sierra Madre Oriental pine - oak forests .
The Sierra Madre Oriental runs north and south through the state , and separates the Mexican Plateau from the Gulf Coastal Plain to the east .
The Sierra Madre Oriental is Sierra Madre Oriental to the Sierra Madre Oriental pine - oak forests .
The Sierra Madre Oriental runs north and south through the state , and separates the Mexican Plateau from the Gulf Coastal Plain to the east .