The SI base unit for length is the metre. 1 metre is equal to 0.000621371192237 mi, or 3.28083989501 ft. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between miles and feet.
Both may be approached from AZ 98; the upper canyon (also known as Corkscrew Canyon) is reached at the end of a very sandy 2 mile 4WD track south of the road beginning near milepost 299, and it is this part which is usually visited.
While the Grand Canyon might be the most famous attraction in Arizona, equally beautiful is Antelope Canyon, a slot canyon in the Navajo Nation. It was carved by flash floods gradually eroding through the sandstone and is one of the most photographed and most stunning slot canyons in the world.