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
Jacumba Mountains Jacumba Mountains The Jacumba Mountains are a mountain range of the Peninsular Ranges system, located in eastern San Diego County, Southern California, near the U.S. border with Mexico. The mountain range lies in a northwest-southeasterly direction, east of the In-Ko-Pah Mountains, and north of Interstate 8. The range is approximately long, and Table Mountain at the southeast end of the range is located about northeast of the town of Jacumba. The Jacumba Mountains reach an elevation of at Jacumba Peak, near the southern end of the chain. The Tierra Blanca Mountains and the Sawtooth Mountains are to the northwest, and