 Narrow lowlands are found on the Pacific Ocean and the Gulf of California sides of the mountains.The Cordillera Neovolcánica is a belt long and wide, extending from the Pacific Ocean to the Gulf of Mexico.The Cordillera Neovolcánica begins at the Río Grande de Santiago and continues south to Colima, where it turns east along the nineteenth parallel to the central portion of the state of Veracruz.The region is distinguished by considerable seismic activity and contains Mexico's highest volcanic peaks.