Zion National Park

Towns outside of the park offering amenities include:

Springdale
Outside of the park's south entrance.
Mount Carmel Junction
Outside of the park's east entrance.
Hurricane
24 miles west of the park's south entrance.
Kanab
29 miles from Zion's east entrance.
St. George
45 miles west of Zion's south entrance.

Zion National Park lies near the Canyon Country region of Utah. Other nearby parks are:

Bryce Canyon National Park
Bryce Canyon National Park is located 72 miles from the east entrance and offers a colorful landscape of eroded orange and yellow pillars set amongst a natural amphitheater.
Cedar Breaks National Monument
A spectacular National Monument located off Highway 14.
Coral Pink Sand Dunes State Park
A fun state park on the east side of Zion, 11 miles from Mount Carmel Junction. Views of Zion from the dunes are wonderful.
Grand Staircase-Escalante National Monument
Rustic and wild, the White Cliffs of the Grand Staircase loom in the distance from many of Zion's hiking routes.

In addition, other nearby destinations include:

Las Vegas
150 miles west of the south entrance of the park along Interstate 15. Sin City generally needs no introduction, but for those not interested in gambling it can make a great meal stop, especially after a week or more of backpacking in the wilderness.
Gooseberry Mountain Biking
Excellent slick rock trails located near Zion National Park to the southwest, east of Hurricane.