Zion National Park is an American national park located in Southwestern Utah near the city of Springdale. A prominent feature of the 229-square-mile (590 km2) park is Zion Canyon, which stretches 15 miles (24 km) long and spans up to half a mile (800 m) deep. It cuts through the reddish and tan-colored Navajo Sandstone by the North Fork of the Virgin River.