| The Grand Canyon National Park is deservedly | | | | Human activities have impacted on the Grand |
| classed as a World Heritage Site. It has an area of | | | | Canyon National Park in many ways. These include |
| 1,218,375 acres, 1,904 square miles. Most of the | | | | the introduction of non-native plants and animals, |
| park is maintained as wilderness. It can be seen | | | | the contamination of streams with fecal bacteria, |
| from the moon and is something that everyone | | | | haze caused by air pollution and worst of all by |
| should experience at least once in their lifetime. | | | | the construction of the Glen Canyon Dam in 1963. |
| The Grand Canyon lies on the Colorado Plateau in | | | | Our aircraft, quad bikes and automobiles disturb |
| northwest Arizona. | | | | the tranquillity of the Park. |
| The Canyon, carved over millions of years by the | | | | You can see the Grand Canyon on foot, |
| Colorado River, is immense. It averages 4,000 | | | | horseback, mule, quad bike, kayak, helicopter ride |
| feet deep for its entire 277 miles. It is 6,000 feet | | | | or in a small plane. The temperature in the |
| deep (a mile is 5,280 feet) at its deepest point | | | | canyons gets very high during the day, and hikers |
| and up to 15 miles wide. | | | | should take advice from rangers on water |
| The Grand Canyon National Park is a rich and | | | | supplies, necessary food and avoiding dehydration |
| varied biological habitat with 75 species of | | | | and heat stroke. |
| mammals, 25 species of fish, 50 species of | | | | If you are hiking, camping or riding off the main |
| reptiles and amphibians, 25 species of fish, and | | | | trails, in the backcountry, you will need a permit. |
| over 300 species of birds. These include some | | | | Permits can be obtained through the Backcountry |
| species that are not found outside the Park at all. | | | | Information Center. |