Guinevere Castle
| Guinevere Castle | |
|---|---|
King Arthur Castle, Guinevere Castle, and Dox Castle from the west. | |
| Highest point | |
| Elevation | 7,281 ft (2,219 m) |
| Prominence | 341 ft (104 m) |
| Parent peak | King Arthur Castle (7,344 ft) |
| Isolation | 0.45 mi (0.72 km) |
| Coordinates | 36°15′35″N 112°15′57″W / 36.2597825°N 112.2658488°W |
| Geography | |
| Country | United States |
| State | Arizona |
| County | Coconino |
| Protected area | Grand Canyon National Park |
| Parent range | Kaibab Plateau Colorado Plateau |
| Topo map | USGS King Arthur Castle |
| Geology | |
| Rock type(s) | limestone, sandstone, mudstone |
| Climbing | |
| First ascent | Puebloans |
Guinevere Castle is a 7,281-foot-elevation (2,219-meter) summit located in the Grand Canyon, in Coconino County of northern Arizona, US. It is situated one-half mile southeast of King Arthur Castle, one mile west of Excalibur, and 2.5 miles northeast of Evans Butte, within the Shinumo Amphitheater. Topographic relief is significant as it rises 5,000 feet (1,500 meters) above the Colorado River in 4.5 miles (7.2 km), and 2,600 feet above Gawain Abyss in one mile. According to the Köppen climate classification system, Guinevere Castle is located in a cold semi-arid climate zone.