Grand Canyon- South Rim-
Northwestern Arizona.
Grand Canyon National Park is the United States’ 15th oldest national park. Named a UNESCO World Heritage Site in 1979.The park’s central feature is the Grand Canyon, a gorge of the Colorado River, which is considered one of the Seven Natural Wonders of the World. The park covers 1,217,262 acres of unincorporated area in Coconino and Mohave counties. The Grand Canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide and attains a depth of over a mile (6,093 feet or 1,857 meters). Nearly two billion years of Earth’s geological history have been exposed as the Colorado River and its tributaries cut their channels through layer after layer of rock while the Colorado Plateau was uplifted.
