K2 Aviation's two red De Havilland Otters wait at Kahiltna Basecamp to load up climbers after their Denali climb expedition

K2 Climber Connection to

Kahiltna Base Camp

Flights to Kahiltna Basecamp


The West Buttress route on Denali(McKinley) is the most popular and accessible route to the summit of North America's highest peak. Known for its relatively straightforward climbing compared to other routes on the mountain, it still presents significant challenges due to the extreme altitude, harsh weather, and technical glacier travel required.

Climbers typically start from the Kahiltna Glacier after flying into Kahiltna Base Camp at 7,200ft. From there, the route ascends gradually, passing through several key camps: Camp 1 (7,800ft), Camp 2 (11,000ft), Camp 3 (14,200ft), and High Camp (17,200ft). The final push to the 20,310-foot summit offers spectacular views but requires endurance and acclimatization to withstand the thin air and potential subzero temperatures.

Despite its relative popularity, the West Buttress demands rigorous preparation, physical fitness, and mountaineering skills, with climbers often spending two to three weeks on the mountain to acclimate and wait for favorable weather conditions

Elevation 7,200’

44 miles long

200 mi² of Glacier

N 62° 58.026 W 151° 10.071

Climber in full gear uses ice axes and ropes to ascend a snowy ridge on Denali during an expedition

Photo by Ross Hill

 Talkeetna - 

 Kahiltna Basecamp

$675

Tax 8.5% $58.57
Basecamp fee $40
Total $773.57

Kahiltna Glacier Base Camp FAQs

Have more questions?

Since 1979, the K2 team has transported thousands of Denali climbers. If we don’t have an answer for you, we will find someone who will.

info@flyk2.com

1-800-764-2291

907-733-2291

A climber on a snow-covered mountain raises his arms to unable rope during Denali expedition

Photo by Ross Hill

Photo by Ben Luedtke

Why Denali Climbers
Choose K2 Aviation

We’ve been flying elite adventurers into Denali for over 45 years, in fact, it’s why K2 was created.

A climber on a snow-covered mountain raises his arms in triumph, marking the success of his Denali expedition.

Personalized Service

The K2 Experience

There is a lot that goes into planning and preparing for your expedition. Our team is committed to getting you in and out of the Alaska Range safely and efficiently. We are here to support you every step of the way. Our climber hangar allows you to sort, pack, and weigh all your gear. Our ramp staff is glad to help you both on your way outbound and upon your return!

How we support Denali climbers  →

Experience

Flying Denali Climbers for 45 Years

K2 Aviation’s story began in 1979 with a singular goal: to provide safe and efficient air access for climbers seeking to conquer Denali National Park.

Learn more about K2

Your Team

Your Denali Team

We can say with confidence that we have the best maintenance in the state with a team of professionals maintaining our airplanes beyond the required standards. We are recognized as an industry leader in setting the standard for aviation safety. In addition, our pilots are hand selected for their skills and interest in the outdoors.

Meet your team

Environment

Committed to Sustainability

K2 Aviation is family-owned and operated. Alaska is not only where we run our business, it’s our home, where we raise our families, and houses the communities where we live, work, and play. When training our team or flying guests to these locations, we are dedicated to upholding and protecting ecosystems and natural terrain we visit and supporting the communities we live in and visit.