Denali National Park and Preserve is a dynamic intact ecosystem that is both inspiring and complex. The landscape is not static--as landslides, glacially-fed braided rivers, and moving glaciers attest. There are also human impacts on the land, such as changes in air quality (air-borne contaminants) and climate.
Discover more about Denali's natural world in the sections below.
Learn about glaciers, earthquakes, landslides, and the fossils that tell the story of Denali's dinosaurs.
Change is ever-present in natural settings, and the landscape of Denali is no exception.
Wilderness is a word with both a specific, legal definition and a personal, emotional definition.
Discover more about the natural role of fire in Denali National Park and Preserve.
Road Ecology Program
Scientists in this program study the way the Denali Park Road, and traffic on it, influence wildlife behavior.
Find out what Denali's visitation looks like and how visitors are counted at visitor centers.
Science and Research
Last updated: July 27, 2017