Find the Seven Sisters Climbing weather is safest from May to early July. You can really only climb safely on Denali from May 1st through the first week in July. In that short period, more than 1,000 climbers try to reach Denali's summit.
Half make it to the top.
He achieved this feat in June of 1998. The West Buttress route is the most popular with climbers. The name Denali is from the Athabaskan dialect, used by the local Koyukuk villages. William McKinley Denali was made an official wilderness area in 1917. Back then, it was called Mt. McKinley National Park, named for the U.S. President, William McKinley.