Lava River Cave guided programs are available on Thursdays, June 6 through September 5, with the exception of Thursday, July 4. Programs are at 2:00 p.m. and last one and a half to two hours.

BEND, Ore. (KTVZ) — Beginning August 1, the U.S. Forest Service will implement a timed reservation system for parking in the Lava River Cave parking lot, due to a rise in visits, limited spaces ...