TravelCentral OregonEastern OregonAdventuresHikingInterestingRoad TripsSouthern Oregon Protected: The Malheur Cave is easily the creepiest cave in Oregon By Tyler James - June 10, 2016 Facebook Twitter Pinterest ReddIt Last updated on November 7th, 2019 at 12:02 pm This content is password protected. To view it please enter your password below: Password: