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.
The Colorado River in the Grand Canyon. (Photo: gooseneck state park image by antocar from Fotolia.com ) The Grand Canyon is a 277-mile-long gash in the high desert of Arizona that digs as deep as a mile into the earth's surface and offers some of the most beloved and intriguing geology in the entire United States.