Back سييرا مادري الشرقية Arabic سييرا مادرى الشرقيه ARZ Усходняя Сьера-Мадрэ Byelorussian Източна Сиера Мадре Bulgarian Sierra Madre Oriental Breton Sierra Madre Oriental Catalan Sierra Madre Oriental (kabukiran sa Mehiko) CEB Sierra Madre Oriental Czech Sierra Madre Oriental Welsh Sierra Madre Oriental German
| Sierra Madre Oriental | |
|---|---|
 Sierra Madre Oriental near Ciudad Victoria, Tamaulipas | |
| Highest point | |
| Peak | Cerro San Rafael |
| Elevation | 3,700 m (12,100 ft) |
| Prominence | 1,855 m (6,086 ft) |
| Coordinates | 25°22′N 100°33′W / 25.367°N 100.550°W |
| Geography | |
 | |
| Country | Mexico |
| States | |
The Sierra Madre Oriental (Spanish: [ˈsjera ˈmaðɾe oɾjenˈtal] ) is a mountain range in northeastern Mexico. The Sierra Madre Oriental is part of the American Cordillera, a chain of mountain ranges (cordillera) that consists of an almost continuous sequence of mountain ranges that form the western "backbone" of North America, Central America, South America, and Antarctica.