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Tower of Ra
Tower of Ra.jpg
South aspect, from Hermits Rest on South Rim
Highest point
Elevation 6,129 ft (1,868 m)
Prominence 709 ft (216 m)
Isolation 0.97 mi (1.56 km)
Parent peak Osiris Temple (6,613 ft)
Geography
Tower of Ra is located in Arizona
Tower of Ra
Tower of Ra
Location in Arizona
Tower of Ra is located in the United States
Tower of Ra
Tower of Ra
Location in the United States
Location Grand Canyon National Park
Coconino County, Arizona, US
Parent range Kaibab Plateau
Colorado Plateau
Topo map USGS Shiva Temple
Type of rock sandstone, siltstone, mudstone
Climbing
First ascent 1977
Easiest route class 5.1 climbing

Tower of Ra is a 6,129-foot-elevation (1,868 meter) pillar located in the Grand Canyon, in Coconino County of Arizona, USA. Its summit is situated five miles north of Pima Point overlook on the canyon's South Rim, three miles southeast of Confucius Temple, and two miles northwest of Tower of Set, where it towers over 3,700 feet (1,130 meters) above the Colorado River. Tower of Ra was named in 1879 by Thomas Moran, for Ra, the Egyptian deity of the sun. This followed the naming convention of Clarence Dutton who began the tradition of naming geographical features in the Grand Canyon after mythological deities. This mountain's name was officially adopted in 1906 by the U.S. Board on Geographic Names. The first ascent was made in 1977 by Jim Haggart, Art Christiansen, and Barbara Zinn. According to the Köppen climate classification system, Tower of Ra has a Cold semi-arid climate.

Geology

The top of Tower of Ra is composed of the reddish Pennsylvanian-Permian Supai Group. Further down are strata of Mississippian Redwall Limestone, the Cambrian Tonto Group, and finally granite of the Paleoproterozoic Vishnu Basement Rocks at river level. Precipitation runoff from Tower of Ra drains south to the Colorado River via Crystal and Ninetyfour Mile Creeks.

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