List of national parks of the United States by elevation

Most of America's national parks are located in mountainous areas.

Those few that are low-lying preserve important natural habitats that could never exist at high altitudes.

Several national parks protect deep canyons with great vertical relief.

There are also three national parks whose primary features are caves, the depths of which are still being explored.

(163 m)[28] Grand Canyon topo – The highest lookout on the rim itself is Point Imperial whose elevation as given by the NPS is 8,803 feet (2,683 m).