of climbing is involved from the Dungee Glacier. The 1992 new route required 15 days and nights to climb and three days to descend, using portaledges specifically designed and constructed by Middendorf's A5 Adventures, Inc.

Move to Australia and environmental activism

In 1997, A5 Adventures Inc. was acquired by The North Face. Middendorf remained at the company as a Senior Product Manager for several years, but then stepped away from creating climbing

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