About Us
Sandy Kobrock and Mark Mueller

Sandy Kobrock and Mark Mueller own and operate Wolf Creek Backcountry and the Pass Creek Yurt. Sandy and Mark have 50 combined years of operational avalanche field work and avalanche education upon which to draw. Their backcountry experience includes extended ski tours in Colorado, the Sierra Nevada, the Cascades, British Columbia, and Europe.

Sandy Kobrock
Photo © Wolf Creek Backcountry

Sandy is recognized by the American Avalanche Association as a Certified Instructor. She is an AIARE Level 1 & Level 2 instructor, and an AIARE Instructor Trainer. Her experience at the Wolf Creek Ski Area as the Patrol Director, Assistant Director, snow safety supervisor, and ski patrol Supervisor at Squaw Valley USA provided many years of professional avalanche work. Sandy has taught Level 1 & 2 courses for the Silverton Avalanche School, Telluride Avalanche School, NOLS Winter Instructor Training, CDOT, and Babes in the Backcountry. Sandy's expertise includes 20 years as a trainer in decision-making, accountability, personal awareness, and crucial conversations in corporations.

Mark Mueller
Photo © Wolf Creek Backcountry

Mark has been the Avalanche Forecaster on Wolf Creek Pass for the Colorado Avalanche Information Center for 15 seasons. Mark is also the Executive Director of the American Avalanche Association. His current work, along with 12 years as Ski Patrol Director at Squaw Valley, gives Mark a depth of experience with avalanches. This winter is Mark's 30th year of professional avalanche work. Mark is an AIARE Level 1 instructor.