Zion National Park Author:Dan Blackburn, Tim Fitzharris Located in Washington, Iron and Kane Counties in Southwestern Utah, Zion National Park encompasses some of the most scenic canyon country in the United States. The park is characterized by high plateaus, a maze of narrow, deep, sandstone canyons and striking rock towers and mesas. Zion Canyon is the largest and most visited canyon in the park.... more » The North Fork of the Virgin River has carved a spectacular gorge here, with canyon walls in most places rising 2000-3000 feet above the canyon floor. The southern part of the park is a lower desert area, with colorful mesas bordered by rocky canyons and washes. The northern sections of the park are higher plateaus covered by forests.« less