Grand Canyon Facts
The Grand Canyon is comprised of 1,904 square miles. Its North Rim and South Rims are 18 miles across; the North Rimís average elevations are 8,000 feet with the highest point being 8,801 feet; the South Rims are elevated 7,000 feet with a peak of 7,400 feet. The narrowest point of the Grand Canyon is Marble Canyon at 600 feet across. The lowest point of the Grand Canyon is at Lake Mead at 1,200 feet.
The Grand Canyonís average depth is 1 mile. On most days there is a visibility of 90-110 miles from the canyonís rim.
The South Rim is open year round, but the North Rim is only open from mid-May to mid-October.
The best time to hike the Grand Canyon is during the spring or the fall as there are fewer tourists then. There are 15 trails to the inner Canyon; however, do not plan on hiking the entire Canyon in a day unless you are only doing a short distance.
Each year there are nearly 6 million guests to the Grand Canyon.
The South Rim has more services available ranging from air tours, horseback riding, overnight mule trips, and whitewater trips. There are also several museums, historic locations, and the Yavapai Observation Station.
The Grand Canyon contains 227 miles of the Colorado River. The vertical drop of the river is 2,215 feet. The average width is 300 feet with a depth of 40 feet and an average gradient of 8 feet per mile.