Denali National Park State is Alaska, which is a 6 letter word. Alaska is the largest state in the United States and is located in the northwest corner of the continent. It is known for its diverse terrain, including mountains, forests, and tundra. Denali National Park is located in the interior of Alaska and is home to Mount McKinley, the highest peak in North America. The park is also home to a variety of wildlife, including grizzly bears, wolves, and caribou.