Snow Dragon

OHDG Moulin Ascent  489

Snow Dragon Glacier Cave System project page:


Here are 3 supplementary maps from the February 2013 issue of the NSS News. 


Snow Dragon pdf

Pure Imagination pdf

Frozen Minotaur pdf




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: