Cordillera the cordilleras in Ecuador, Peru, Bolivia, Chile, and Argentina. Mountain ranges of this type have a complex structure, usually the result of folding and faulting accompanied by volcanic activity. In South America the ranges include numerous volcanic peaks. (Though not itself a volcano, Argentina's Mt. Aconcagua, at 22,834 feet (6,960 metres) high, is the highest point in the Western Hemisphere. The Andes cordillera has Ojos del Salado, the highest active volcano in the world, and second highest point in the Western Hemisphere. A number of the volcanoes have been active in historic times. Aside from the volcanic peaks, the crests
Sawatch Range Sawatch Range The Sawatch Range is a high and extensive mountain range in central Colorado which includes eight of the twenty highest peaks in the Rocky Mountains, including Mount Elbert, at elevation, the highest peak in the Rockies. The range is oriented along a northwest-southeast axis, extending approximately from in the north to in the south. The range contains 15 peaks topping , also known as 14ers. The range forms a portion of the Continental Divide, and its eastern flanks are drained by the headwaters of the Arkansas River. The western side of the range feeds the headwaters of the