Grand+Canyon+National+Park




 * Grand Canyon National Park is one of the United States' oldest national parks.
 * Located in arizona.
 * The park covers 1,902 mi².
 * The Grand Canyon is extremely rugged and remote, but some places are available by trail or backcountry roads.
 * The Grand Canyon became a national park on January 11, 1908.
 * The creation of the park was a success of the environmental conservation movement; its National Park status helped prevent proposals to dam the Colorado River.
 * The Grand Canyon is valued for the combination of large size, depth, and the exposed layering of colorful rocks dating back 2 billion years.
 * It was created by the Colorado River and its tributaries after the colorado plateu was elevated and the Colorado River system developed along its present path.
 * The rivers slowly eroded the stone creating deep canyons.
 * Today, Grand Canyon National Park gets almost five million visitors every year.
 * The oldest human artifacts found at the Grand Canyon are nearly 12,000 years old.
 * Many Native people lived in this land over thousands of years.
 * Grand Canyon National Park has 75 species of mammals, 50 species of reptiles and amphibians, 25 species of fish, and 300 species of birds.

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