Derrick Cave

Near Fort Rock, Oregon

Derrick Cave does not offer reservations through Please take a look at the area details below for more information about visiting this location. Enjoy your visit!



A lava tube 30 feet high, 50 feet wide and 1/4 mile long. Derrick Cave was named for H.E. Derrick, a pioneer rancher in the Devils Garden area. Derrick Cave developed just south of the main vent for the Devils Garden Flows and was the route of most of the lava which spread south from the vent. In the 1960s, Derrick Cave was a designated nuclear fallout shelter with supplies of food and water.

Know Before You Go:

Prohibited activities in and around natural caves: