On February 11, 1933, President Herbert Hoover designated Death Valley in California and Nevada as a national monument (later re-designated as a national park). One of the valley’s unique characteristics is that it contains the lowest spot in the United States, 282 feet below sea level. Here’s the rundown on U.S. extreme points, in altitude and around the compass.
Mount McKinley, Alaska | 20,320 ft.
Highest point outside Alaska
Mount Whitney, California | 14,494 ft.
Death Valley, California | 282 ft.
Point Barrow, Alaska | 71° 23’ N
Northernmost point outside Alaska
Northwest Angle, Minnesota | 49° 23’ N
Ka Lae, Hawaii | 18° 55’ N
Southernmost point outside Hawaii
Key West, Florida | 24° 33’ N
West Quoddy Head, Maine* | 66° 57’ W
Cape Wrangell, Attu Island, Alaska** | 172° 27’E
Westernmost point outside Alaska
Cape Alava, Washington | 124° 44’ W
* Since Alaska’s Aleutian Islands stretch into the Eastern Hemisphere, Semisopochnoi Island, Alaska, has the easternmost U.S. longitudinal coordinates at 179° 46’ E.
** Amatignak Island, Alaska, has the westernmost longitudinal coordinates at 179° 06’ W.