The Grand Canyon (Hopi: Ongtupqa; Yavapai: Wi:kaʼi:la) is a steep-sided canyon carved by the Colorado River in the United States in the state of Arizona.
to twenty-five kilometres. Near the bottom – less, than
one km. Within the limits the canyon, river Colorado is fall at the speed of 25 km/hour. The surface of the plateau, which cuts through the canyon, located at an altitude of 1525 to 2745 m above sea level.