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
Mountain ranges of Norway the mountains. Mountain ranges also form the main boundaries among Norway's districts. They typically run north-south. Several of the ranges have had road and railroad passes since historical times; some are neer; and many close over the winter. Norwegian mountain ranges provide some of the most attractive recreational areas, both during summer and winter. Cabins and trails are operated by the Norwegian Mountain Touring Association at intervals that allow for weeks of uninterrupted hiking or cross-country skiing in the mountains. Guidebooks in languages other than Norwegian are few. The following is a list of current mountaineering and walking guidebooks in