David Chudzik and Stefan Lofgren climbing on Karsten's Ridge on Denali's Muldrow Glacier route.

Jesse Huey climbing overhanging ice at 14,500 feet on Denali's Slovak Direct. This route was first climbed by a Slovak team in 1984 and is one of the most committing and difficult routes in Alaska.

Joe Puryear nearing the end of the spectacular and breathtaking knife edged traverse high on the Infinite Spur of Mount Foraker. This photo was featured in a Black Diamond catalog in 2003.

A beautiful morning on Denali's Muldrow Glacier.

A small bivouac ledge on Denali's Cassin Ridge.

Cornice traverse on the "Changabang Arete" on Mount Hunter's south ridge. Visible in the background are the Happy Cowboy Pinnacles, and our tracks from the previous day. This photo was featured in a Patagonia product catalog.

Eamonn Walsh settles into a tight bivouac on the Moonflower route on Mount Hunter's north buttress. This photo was featured as the back cover of the 2008 Canadian Alpine Journal.

Paul Roderick flying his DeHavilland Otter in front of Mount Huntington. I took this photograph from 11,200 feet during an ascent of Denali's Isis Face. Paul is my brother in law and the owner of Talkeetna Air Taxi, and was flying by to see how we were doing. This photo was featured as a double page spread in the Table of Contents page in Alpinist Magazine, issue #29.

A fine afternoon at 17,000 feet on Denali.

Rappelling the Harvard Route on Mount Huntington.

Climbing along Karsten's Ridge on Denali's Muldrow Glacier route, with Mount Koven behind.

Forrest Murphy on a cornice traverse high on Mount Hunter's south ridge. This photo was featured in Black Diamond's product catalog and as a promotional poster for Black Diamond at the OR trade show in Salt Lake City in 2007.

Climbers on Denali's summit ridge, with Mount Foraker beyond.

Overhanging ice on the Slovak Direct route, Denali.

Evening light over Mount Foraker from 18,000 feet on Denali's Cassin Ridge.

Climbers descending Karstens Ridge on Denali.

Forrest Murphy on steep snow traversing beneath large cornices on Mount Hunter's south ridge. Our tracks are visible on the ridge in the background.

Joe Puryear following one of the crux mixed pitches of Mount Foraker's Infinite Spur, in "full conditions". Nearly 5000 feet up the wall, we felt very committed, so when the weather turned bad, we had to keep on climbing!

Eamonn Walsh following a pitch high on the Mini Moonflower in the evening light.

Joe Puryear rappelling from the "Nose" pitch of Mount Huntington's Harvard Route.

Sunrise from Denali's Muldrow Glacier.

A great spring day of ski touring off the Whistler Glacier in the foothills of the Alaska Range.