The Grand Canyon is situated within the state of Arizona. It is approximately 280 miles long, spans up to 18 miles in width and reaches a maximum depth over 6,000 feet. The canyon comprises a portion of the Colorado River basin, which has formed over the past 40 million years.
The Grand Canyon started to form around 17 million years ago. The Colorado River formed the canyon through the process of erosion. The range of temperatures in the Grand Canyon widely varies, with the Inner Gorge area frequently reaching high temperatures over 100 degrees Fahrenheit in the summer, while the rims of the canyon have recorded temperatures below 0 degrees Fahrenheit in the winter.