highest point-denali (also called mount mckinley)at20,335 feet(6,198m)
lowest point-death valley at -282 feet(-86m)
The US borders both north atlantic and north pacific oceans and is bordered by canada and mexico.it is the third largest country in the world by area and has a varied topography.the eastern regions consist of hills and low mountains while the central interior is a vast plain(called the great plains region) and the west has high rugged mountain ranges(some of which are volcanic in the pacific northwest).alaska also features rugged mountains as well as river valleys.hawaii's landscape varies but is dominated by volcanic topography.
hope this helps you!!!!!!!!!