A 1.75-mile (3-km) trail leads to lava tube caves. The caves are open to explore with a permit from the visitor center but you will need to bring a light source.
Sources and licences
Guide text adapted from the Wikivoyage article "Craters of the Moon National Monument" by its contributors, available under CC BY-SA 4.0. Read on Wikivoyage · Contributors · CC BY-SA 4.0
