A map showing the four main mountain ranges and the 53 highest natural points in the U.S. state of Altamasstachia (click to enlarge). Highest Major Summits of Altamasstachia This is a list of major mountain peaks in the U.S. State of Altamasstachia. The summit of a mountain or hill may be measured in three principal ways: 1. The topographic elevation of a summit measure the height of the summit above a geodetic sea level. 2. The topographic prominence of a summit is a measure of how high the summit rises above its surroundings. 3. The topographic isolation (or radius of dominance) of a summit measure how far the summit lies from its nearest point of equal elevation. Of the highest major summits of Altamasstachia, 53 peaks exceed 3,000 meters (9,843 feet) elevation and 201 peaks exceed 850 meters (2,788 feet) elevation. Altamasstachia is home to four major isolated mountain ranges: the Gibbs Range , the Jebediah Escarpment , the Mongolia Range and the Three Pinnacles . Mount Geoffrey i...