American geography

Extreme points of the United States

This is a list of the extreme points of the United States, the points that are farther north, south, east, or west than any other location in the country. Also included are extreme points in elevation.

The geographic center of the 48 contiguous states is located approximately four miles (6 km) west of Lebanon, Kansas, at 98°35'W 39°50'N.

1. 50 states

• Northernmost point — Point Barrow, Alaska (71°23'N)
  
  
• Northernmost town — Barrow, Alaska
  
  
• Southernmost point — Ka Lae, Hawaii (18°55'N)
  
  
• Southernmost town — Naalehu, Hawaii
  
  
• Easternmost point — Semisopochnoi Island, Alaska
  
  
• Easternmost town — Amchitka U.S. Navy Base, Alaska
  
  
• Westernmost point — Attu Island, Alaska
  
  
• Westernmost town — Adak Station, Alaska*
  
  
• Highest elevation point — Mount McKinley , Alaska (20,320 feet)
  
  
• Highest elevation town — Alma, Colorado (10,578 feet)
  
  
• Lowest elevation town — Furnace Creek, California (-179 feet)
  
  
• Lowest elevation point — Badwater Basin (Death Valley), California (-282 feet)

* Adak Station is the westernmost major town with a population of 316 (as of 2000). However, Attu Station is farther west, but it only has a population of 20 (as of 2000).

2. 48 contiguous states

• Northernmost point — Angle Inlet, Minnesota
  
  
• Northernmost town — Angle Township, Minnesota
  
  
• Southernmost point — Ballast Key, Florida 24° 31'15"N, 81° 57'49"W
  
  
• Southernmost town — Key West, Florida
  
  
• Easternmost point — West Quoddy Head, Maine
  
  
• Easternmost town — Lubec, Maine
  
  
• Westernmost point — Cape Alava, Washington
  
  
• Westernmost town — Ozette, Washington
  
  
• Highest elevation point — Mount Whitney , California (14,505 feet)
  
  
• Highest elevation town — Alma, Colorado (10,578 feet)
  
  
• Lowest elevation town — Furnace Creek, California (-179 feet)
  
  
• Lowest elevation point — Badwater Basin (Death Valley), California (-282 feet)

The ownership of Machias Seal Island is disputed between the U.S. and Canada. If one considers this to be U.S. Territory, then it is the easternmost point in the 48 contiguous states, coordinates: 44° 30'10?N, 67° 06'10?W.

3. United States points on the North American continent

• Northernmost point — Point Barrow, Alaska
  
  
• Southernmost point — Cape Sable, Florida
  
  
• Easternmost point — West Quoddy Head, Maine
  
  
• Westernmost point — Cape Prince of Wales, Alaska

4. United States including territories and insular areas

• Northernmost point — Point Barrow, Alaska
  
  
• Southernmost point — Rose Atoll, American Samoa
  
  
• Easternmost point — Point Udall, US Virgin Islands
  
  
• Westernmost point — Udall Point, Guam 13° 26'41"N, 144° 36'59"E

5. United States including territories and insular areas by longitude

• Easternmost point — Semisopochnoi Island, Alaska (179°46'E)|
  
  
• Westernmost point — Amatignak Island, Alaska

6. United States including territories and insular areas by International Date Line

• Easternmost Point - Wake Island
  
  
• Westernmost Point - Attu Island, Alaska