Current Conditions - Craters of the Moon



  • Alert 1 , Severity ,caution ,, Navigation Please do not rely upon GPS digital navigation systems to find your way to Craters of the Moon. Please note that the Visitor Center at 1266 Craters Loop Road is located just off U.S. Highway 20/26/93 and is not accessed via any unpaved roads.

Autumn is here...

Currently all roads and trails are open but snow and ice can shut down the Loop Drive at any time.

If you intend to visit the caves, do not bring clothing or gear that has been in other caves. Obtain a free
cave permit at the visitor center before entering any cave.

The Visitor Center is open daily from 8 a.m. until 4:30 p.m. except for Thanksgiving Day (November 22), Christmas Day (December 25), and New Years Day (January 1).

The Lava Flow Campground is open for first come-first-served camping but water has been turned off and off-season rates are now in effect. Visitors can fill water bottles in the visitor center during business hours and only a waterless toilet will be available in the campground. The separate Group Campground is closed for the season.

The physical address for the visitor center is 1266 Craters Loop Road, about half-way between Arco and Carey on US Highway 20/26/93. Please note that there is no access to the main visitor use area of Craters of the Moon by unpaved roads (no matter what your navigator may say!).



Click for a real-time view of U.S. Highway 20/26/93 with Big Cinder Butte in the distance. The NPS Monument entrance is located about 10 miles east of this web-camera.

Last updated: October 23, 2018

Contact the Park

Mailing Address:

Craters of the Moon National Monument and Preserve
P.O. Box 29

Arco, ID 83213


(208) 527-1300

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