Is mount McKinley in the eastern or western United States

Denali. Denali, also called Mount McKinley, highest peak in North America. It is located near the centre of the Alaska Range, with two summits rising above the Denali Fault, in south-central Alaska, U. S.

Therefore, the answer is western United states.

Alaska, northwest of Canada, is the largest and most sparsely populated U. S. state. It's known for its diverse terrain of open spaces, mountains and forests, with abundant wildlife and many small towns. It's a destination for outdoor activities like skiing, mountain biking and kayaking. Massive Denali National Park is home to Denali (formerly called Mount McKinley), North America's highest peak.