answers: Sierra Madre Oriental
context: from the head of the eastern Gulf of California near the Colorado River Delta in Sonora state to south of the gulf to the open Pacific, and then further south to the border with Guatemala in Chiapas state near Tapachula. Major Pacific coastal cities include Tijuana, Ensenada, Mazatlan, Puerto Vallarta, Acapulco, and Salina Cruz. Major ports along the Pacific Coast of Mexico included the Port of Ensenada, Port of Lazero Cardenas, and the Port of Chiapas. By the 8th century in the Acapulco Bay area, there was a small culture first be dominated by the Olmecs, then the Teotihuacan, the </s> of the Cordillera Neovolcánica. As is the case with the Sierra Madre Occidental, the Sierra Madre Oriental comes progressively closer to the coastline as it approaches its southern terminus, reaching to within of the Gulf of Mexico. The northeast coastal plain extends from the eastern slope of the Sierra Madre Oriental to the Gulf of Mexico. The median elevation of the Sierra Madre Oriental is , with some peaks at . The Mexican Altiplano, stretching from the United States border to the Cordillera Neovolcánica, occupies the vast expanse of land between the eastern and western sierra madres. A low east-west </s> Geography of Mexico The geography of Mexico describes the geographic features of Mexico, a country in the Americas. Mexico is located at about 23° N and 102° W in the southern portion of North America. From its farthest land points, Mexico is a little over in length. Mexico is bounded to the north by the United States (specifically, from west to east, by California, Arizona, New Mexico, and Texas), to the west and south by the Pacific Ocean, to the east by the Gulf of Mexico, and to the southeast by Belize, Guatemala, and the Caribbean Sea. The northernmost constituent
question: which mountain range is found along the east coast of mexico