Mammoth Cave, Utah

Bryce Canyon National Park
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Mammoth Cave

Mammoth Cave Utah is one of the largest and youngest lava tubes in the state with 2,200 feet of passageways. Read More

  • Mammoth Cave UT is part of the Markagunt Plateau
  • It has four chambers and 2,200 feet of lava tubes
  • Accessible late June to October only
  • OHV trail maps are available from Duck Creek Visitor Center


Mammoth Cave is about ¼ mile long with four chambers and a total of 2,200 feet of lava tubes. It is at an elevation of 8,050 feet above sea level and stays cool all year round. It was formed by cooling lava and flowing water less than 2,000 years ago which is relatively young in geological terms.

The cave is a roosting place for bats and a home for small birds and mammals.

Location and Information

Mammoth Cave is situated on the Markagunt Plateau within Dixie National Forest.

Travel east on SR 14 for 30 miles and turn left on Mammoth Creek Road. Drive north 5 miles to the Mammoth Cave turnoff. The cave is ¼ mile walk from the road.

Entrance Fees/Hours

No fees. Accessible late June through October due to heavy winter snowfall.


OHV Trails
There are several trails around Mammoth Cave for ATV and snowmobile use. Trail maps are available from the Visitor Center in Duck Creek (summer only) or Dixie National Forest Service Offices in Cedar City.

Hidden from city light pollution, Mammoth Cave is an excellent spot for stargazing.

The nearest campground is:

  • Duck Creek Campground - 28 miles from Cedar City on SR 14
    Open Memorial Day to Sept 30 
    Reservations call 1-877-444-6777