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.
Motor Vehicle Travel Map (MVTM) of Winter Range Cooperative Closure of Cabin Lake / Silver Lake in Deschutes National Forest (NF) in Oregon. Published by the U.S. Forest Service (USFS).
Off-Highway Vehicle (OHV) Map of the East Fort Rock OHV Trail System in Deschutes National Forest (NF) in Oregon. Published by the U.S. Forest Service (USFS).
Derrick Cave
https://www.blm.gov/visit/derrick-cave
https://en.wikipedia.org/wiki/Derrick_Cave
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.
