Viewing the Milky Way from the Spatter Cones Trail

A hiker views the Milky Way from the Spatter Cones Trail at Craters of the Moon National Monument and Preserve in this Aug. 18, 2017, photo.

ARCO — Craters of the Moon National Monument and Preserve has begun its summer hours, lasting through Sept. 30.

Bookstore and museum: The Craters of the Moon Natural History Association Bookstore and park museum will be open daily from 8:30 a.m. to 6 p.m. Park films are available on request.

Ranger Visitor Center Information Tent: The information tent, in front of the visitor center, will be open daily from 9 a.m. to 6 p.m. Monday through Friday, and 8:30 a.m. to 6 p.m. Saturday and Sunday. Park rangers will be on duty and will provide trail information, maps, park and area information, free cave permits and free backcountry permits.

Campground: The 42-site Lava Flow Campground is open on a first-come, first-served basis. The water is currently not turned on but will once weather conditions allow.

Cave area: Indian Tunnel and Dewdrop are open. Beauty Cave and Boy Scout Tunnel are currently closed due to hazardous conditions and are expected to open once conditions allow. Free cave permits are required and are available at the Bookstore and Information Tent.

Ranger programs: A variety of free ranger guided hikes, talks, astronomy programs and campground evening programs will be available beginning June 6. Call or check the website for details.

Special events: Retired National Park Service geologist and educator, Doug Owen, in partnership with the Craters of the Moon Natural History Association will offer a photography workshop on June 17 and 18, which is limited to 15 people. Reservations are required with a suggested donation of $10. Call 208-527-1335 to make a reservation or email crmo_information@nps.gov.