What is The National Mountain of United States?
Some Highest Mountain of United States:
1. Appalachian Mountains-1,500 miles along the east coast of the United States from northern Alabama to Maine.
2. Rocky Mountains-The highest point of the Rockies is Mount Elbert in Colorado which rises 14,440 feet above sea level.
3. Sierra Nevada-It is around 400 miles long and 70 miles wide.