Sierra Madre Occidental Sierra Madre Occidental The Sierra Madre Occidental is a major mountain range system of the North American Cordillera, that runs northwest–southeast through Northwestern and Western Mexico, and along the Gulf of California. The Sierra Madre 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. The Spanish name "sierra madre" means "mother mountains" and "occidental" means "western" in English, with these being the "Western Mother Mountains". To the east, from the Spanish "oriental" meaning
Pyramid Mountains of north-south ranges, including the Animas Mountains, and traverses south into northwest Chihuahua, Mexico. It turns from due-west to due-south at South Pyramid Peak, at the southern perimeter region of the Pyramid Mountains. Pinkey Wright Mountain lies 3 mi south on the divide. Pyramid Mountains The Pyramid Mountains are a 30 mi (48 km) long, mountain range in central-east Hidalgo County, New Mexico. The city of Lordsburg and Interstate 10 lie at its northern border. The range lies between the northeast corner of the north-south Animas Valley on the west and the Playas and Lordsburg valleys to the southeast and