The document discusses the Grand Canyon and Colorado River. The Grand Canyon is a steep-sided canyon located in Arizona that was carved by the Colorado River over millions of years. The Colorado River is over 2,300 km long, supplies water to 30 million people, and flows through 11 US National Parks from the Rocky Mountains to the Gulf of California.

2. •Located in Arizona, US
•Steep sided canyon carved by Colorado River
•Protected and managed by Grand Canyon National Park
•446 km long, 29 km wide and more than a mile deep
•It has taken 7-9 million years to cut the Grand Canyon
•The result of erosion, wind, frost and time
MAIN FACTS

3. •Is the sculptur of this mysterious canyon
•It is about 2334 km long and supplies water for 30 mln people
•It starts in Rocky Mountain National Park
•Ends nearly dry in the sea of Cortez
•Along this river there are 11 US National Parks
COLORADO RIVER