A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. The topographic terms acme , apex , peak ( mountain peak ), and zenith are synonymous .
7-751: Lanfair Buttes , also known as Eagle Mountain , Indian Hill , Eagle Hill , Graveyard Hills is a summit in the Mojave National Preserve in the Mojave Desert in San Bernardino County, California . The Lanfair Buttes lie 3 miles (4.8 km) east-southeast of the Grotto Hills and 8 miles (13 km) north-northeast of Hackberry Mountain in Lanfair Valley . The tallest and northernmost elevation in
14-400: Is generally used only for a mountain peak that is located at some distance from the nearest point of higher elevation. For example, a big, massive rock next to the main summit of a mountain is not considered a summit. Summits near a higher peak, with some prominence or isolation , but not reaching a certain cutoff value for the quantities, are often considered subsummits (or subpeaks ) of
21-582: The Western United States , the term summit can also be used for the highest point along a road, highway, or railroad, more commonly referred to as a pass . For example, the highest point along Interstate 80 in California is referred to as Donner Summit and the highest point on Interstate 5 is Siskiyou Mountain Summit . This can lead to confusion as to whether a labeled "summit" is
28-592: The Lanfair Buttes is Eagle Mountain at 1338 feet. The southernmost elevation is Indian Hill , at 35°08′36.71″N 115°09′15.34″W / 35.1435306°N 115.1542611°W / 35.1435306; -115.1542611 at an elevation of 1281 feet. Indian Well , an old well is found west of the Buttes at 35°08′43″N 115°09′32″W / 35.14528°N 115.15889°W / 35.14528; -115.15889 , and petroglyphs are found nearby on
35-441: The higher peak, and are considered part of the same mountain. A pyramidal peak is an exaggerated form produced by ice erosion of a mountain top. Summit may also refer to the highest point along a line, trail, or route. The highest summit in the world is Mount Everest with a height of 8,848.86 m (29,031.7 ft) above sea level . The first official ascent was made by Tenzing Norgay and Sir Edmund Hillary . They reached
42-418: The mountain's peak in 1953. Whether a highest point is classified as a summit, a sub peak or a separate mountain is subjective. The International Climbing and Mountaineering Federation 's definition of a 4,000 m peak is that it has a prominence of 30 metres (98 ft) or more; it is a mountain summit if it has a prominence of at least 300 metres (980 ft). Otherwise, it is a subpeak. In many parts of
49-609: The slope of the Buttes to the east. Indian Well petroglyphs indicate it was a Native American water source and camping site in previous centuries. Indian Well was also located along the route of the Mohave Trail . The Lanfair Buttes are a landmark , found about a mile north of the Mojave Road at mile 40. 35°09′09″N 115°09′08″W / 35.15250°N 115.15222°W / 35.15250; -115.15222 Summit The term top ( mountain top )
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