Here's a list of projects our grotto is working on with their status:


  •  Snow Dragon Glacier Cave System - Ongoing
  •  Horse Lava Tube System book - In Progress
  •  Cave Register Program
  •  Section 11 Cave Survey for Department of State Lands - Complete
  •  Section 11 City Expansion hearings re:caves - Ongoing
  •  Cleanups of Bessie Butte Pit, Ariel's Lava Tube - Complete
  •  Cleanups of Charlie-the-Cave, Young's Cave, and Terrebonne Cave - Complete
  •  Partial cleanup of graffiti at Hidden Forest Cave - Complete
  •  Grotto DVDs - Ongoing


The Oregon High Desert Grotto is an internal organization of the National Speleological Society. We are dedicated to the study and preservation of caves.


Membership in the Grotto is $15 a year and comes with an invitation to the Google Group forum, access to the Grotto library, issues of the Oregon Underground newsletter, and information on yearly caving activities and trips.


Become an OHDG member by donating through PayPal: