The mountains contain many jagged limestone peaks. Sixty mountain peaks over high provide scenic vistas. The tallest mountain peaks usually became sacred places. The Mountain West has some of the highest mountain peaks in America. Snowdon is one of three mountains climbed as part of the National Three Peaks Challenge. Both sides are hilly with large mountain peaks. The mean height of the mountain peaks is . Djibouti has eight mountain ranges with peaks of over . From the point of view of magnetic energy, peaks and valleys are energetically favorable. This list contains some of the major peaks in the Andes mountain range. Eleven of the seventeen tallest mountain peaks on Earth are located on China's western borders. This Himalayan valley provides a base to climb some of the challenging Himalayan peaks. With eight of the world's 10 highest mountain peaks, including Mount Everest at 8,848 m. Pakistan is home to several mountain peaks over . There are about 184 glaciers crowning the Olympics peaks.