Denali in winter as viewed from Kahiltna basecamp.
A fine afternoon at 17,000 feet on Denali.
The view from the summit of Denali.
Climbers on Denali's summit ridge.
Denali's 3000 meter southwestern facade.
Camp at the 14,300' level on Denali's west buttress route.
Denali and Upper Kahiltna Glacier in winter.
The National Park Service rangers' camp at 14,300' on Denali's west buttress route.
Mount Hunter (L) and Denali (R) from Petersville Road.
The lightweight "Lama" helicopter used by the National Park Service for high altitude rescues. This aircraft has since been replaced by a B-3 A-Star helicopter.
Mount Hunter (L) and Denali (center), in winter.
A small bivouac ledge on Denali's Cassin Ridge.
Climbing Denali's Cassin Ridge.
Denali in winter. The West Rib is in the center of the photograph.
Evening light over Mount Foraker from 18,000 feet on Denali's Cassin Ridge.
Joe Puryear celebrates atop Denali's Cassin Ridge.
Joe Puryear at 19,000 feet on Denali's Cassin Ridge. The South Buttress and Mount Huntington are visible below.
Mixed climbing on the Denali Diamond route on Denali's southwest face.
Colin Haley on the Denali Diamond route, Denali.
Colin Haley on beautiful mixed ground on the Denali Diamond.
Colin Haley following on steep mixed ground on the Denali Diamond.
Climbers on Denali's summit ridge, with Mount Foraker beyond.
A steep ice runnel on the Denali Diamond. The ice above Colin Haley is slightly overhanging.