It has many colorful canyons, some of which are extremely narrow and have steep, plunging walls.
Rock formations range in color from dark red and orange to light purple and pink.
These colors change continuously as the light changes. Wild plants and such animals as mule deer and bats flourish there. Zion Canyon is the main feature of the park. The canyon contains many unusual rock formations. The park was set aside in 1909 as Mukuntuweap National Monument.