Extreme points are portions of a region which are further north, south, east, or west than any other. This is a list of extreme points in U.S. states.
Contents |
State |
Northernmost point |
Southernmost point |
Easternmost point |
Westernmost point |
---|---|---|---|---|
Alabama | Approx. 6 miles NW of Waterloo, Lauderdale County, in the far NW corner of the state | Sand Island, Mobile County | Approx. 8 miles SE of Fort Mitchell, in Russell County on the Georgia border | Southern third of the Mississippi state line, ending near Melvin, Choctaw County |
Alaska A[›] |
Point Barrow[1] [1] (also the northernmost point in the United States), 9 miles (14 km) North-East of Barrow |
|
|
|
Arizona | Western two-thirds of the northern border with Utah; formed by the 37th parallel | Eastern third of the southern border with Mexico, running from west of Nogales to the New Mexico border | Eastern border with New Mexico | West of San Luis, Yuma County |
Arkansas | Northern border with Missouri | On the Mississippi River , approx. 3 miles (5 km) SE of Readland, Chicot County | Near Huffman, Mississippi County | NW corner of the state on Highway 43 NNW of Maysville at Corner Stone tri-state monument (MO-AR-OK) across
road from store on Missouri side. |
California | Northern border with Oregon; formed by the 42nd parallel | Border Field State Park in Imperial Beach, San Diego County | About three miles south of Parker Dam, San Bernardino County (directly across from Buckskin Mountain State Park, AZ) | Cape Mendocino, Humboldt County. Westernmost island: Sugarloaf Island, Humboldt County |
State | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
Colorado | Northern border with Wyoming; formed by the 41st parallel | Southern border with New Mexico, near Chromo (approximately 36.99250°N) | Eastern border with Kansas and Nebraska | Western border with Utah |
Connecticut | Northern border with Massachusetts, just west of State Route 41 near Salisbury | Great Captain Island , western Long Island Sound | CT-MA-RI tri-state point | Approx. 1 mile NW of I-684 , Fairfield County (near the intersection of High Hill Road and King Street) |
Delaware | Pennsylvania border, near Brandywine, New Castle County | Southern border with Maryland | On State Route 1, between Fenwick Island and South Bethany, Sussex County | On the border with Maryland, 1.5 miles south of the MD-DE-PA tri-point, see Arc Line in the article The Wedge (border) |
Florida | Western third of northern border with Alabama; formed by the 31st parallel |
|
Palm Beach Shores, north side of Lake Worth Inlet, Palm Beach County Approximately |
On the Perdido River approx. 12 miles WSW of Walnut Hill, Escambia County |
Georgia | Eastern section of northern border with North Carolina, from North/South Carolina intersection to near Dillard, Rabun County (Ellicott's Rock) | On the St. Mary's River, approx. 5 miles NE of Macclenny, Florida | Tybee Island, Chatham County | NW corner of the state, approx. 7 miles south of Jasper, Tennessee |
State | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
Hawaii | Kure Island | Ka Lae (south cape), Hawaii County (also the southernmost point in the United States) | Cape Kumukahi, Hawaii County | Kure Island |
Idaho | Northern border with Canada; formed by the 49th parallel | Southern border with Utah and Nevada; formed by the 42nd parallel | Eastern border with Wyoming | On the Snake River, across from Huntington, Oregon |
Illinois | NW corner of the state, near East Dubuque, Jo Daviess County | Fort Defiance State Park, Alexander County | Land: In Lawrence County, along the Wabash River, near Water: At the junction of border with Michigan and Wisconsin, almost due east of Winthrop Harbor, Illinois, approximately |
Lock & Dam No. 20 on the Mississippi River, near Meyer, Adams County |
Indiana | Northern border with Illinois and Michigan | On the Ohio River, opposite Uniontown, Kentucky | On the Ohio River, approx. 2 miles NE of Patriot, Switzerland County | On the Wabash River, opposite New Haven, Illinois |
Iowa | Northern border with Minnesota and South Dakota | At the mouth of the Des Moines River, near Keokuk, Lee County | On the Mississippi River, between Clinton and Sabula | On the Big Sioux River, approx. 1 mile west of Westfield, Plymouth County |
State | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
Kansas | Northern border with Nebraska | Southern border with Oklahoma | On the Missouri River, within Kansas City, Kansas, at the GM Fairfax Assembly Plant, formerly the Fairfax Airport | Western border with Colorado |
Kentucky | On the Ohio River, opposite North Bend, Ohio | On Kentucky Lake at the Tennessee border, approx. 10 miles SE of New Concord, Calloway County | On the Tug Fork River at the intersection with Virginia and West Virginia, Pike County | On the Mississippi River, due south of New Madrid, Missouri, see Kentucky Bend |
Louisiana | NW corner of the state, near Zylks, Caddo Parish | At the mouth of the Mississippi River, approx. 14 miles south of Venice, Plaquemines Parish | Chandeleur Islands | On the Toledo Bend Reservoir, approx. 5 mi. NW of Logansport, De Soto Parish |
Maine | Estcourt Station, opposite Pohenegamook, Quebec | Cedar Island Ledge, York County | Quoddy Head (also the easternmost point in the United States) | Intersection with New Hampshire and Quebec, Oxford County |
Maryland | Northern border with Pennsylvania | Cedar Island W.M.A. | On the Atlantic Ocean at the Maryland-Delaware state line | SW corner of the Maryland Panhandle, approx. 10 miles south of Gnegy Church, Garrett County |
State | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
Massachusetts | Approx. 1 mile NW of Salisbury Plains, in Salisbury, Essex County | Approx. 4 miles WSW of Siasconset, Nantucket Island | Nauset Light Beach, Cape Cod National Seashore, in Eastham, Barnstable County | Near Alander Mountain, in Mount Washington, Berkshire County |
Michigan | Northernmost point of border with Ontario, almost due north of Passage Islands and northwest of the Gull Islands, approximately | Intersection of Michigan, Indiana, and Ohio borders, southwest of Camden, Hillsdale County, approximately | Easternmost point of border with Ontario, northeast of Port Sanilac, Michigan approximately | Mouth of the Montreal River along Wisconsin state line, Gogebic County, approximately |
Minnesota | Angle Inlet, Lake of the Woods County (also the northernmost point in the contiguous 48 states) | Southern border with Iowa, within 1 mile W of US 65 | At junction of border with Michigan and Ontario, northeast of Pigeon Point, Cook County, approximately | Near St. Vincent, Minnesota |
Mississippi | Central half of the northern border with Tennessee | Approx. 2 miles SE of Ansley, Hancock County | Near Eastport, Tishomingo County | On the Mississippi River, approx. 7 miles west of Pinckneyville, Wilkinson County |
Missouri | On the Des Moines River, immediately north of the Battle of Athens State Historic Site, Clark County | Southern border of the Missouri Bootheel | On the Mississippi River, approx. 2 miles SE of Cairo, Illinois | On the Missouri River, immediately south of the intersection of Missouri, Iowa, and Nebraska state lines, Atchison County |
State | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
Montana | Northern border with Canada; marked by the 49th parallel | In the Beaverhead National Forest, approx. 25 miles SW of Lima (as the crow flies), Beaverhead County | Eastern border with North and South Dakota | "Straight" portion of the western border with Idaho, extending from the Canadian border to approx. 8 miles SW of Heron, Sanders County |
Nebraska | "Straight" portion of the northern border with South Dakota, from the west bank of the Missouri River to the Wyoming state line (marked by the 43rd parallel) | Southern border with Kansas | SE corner of the state, in the Iowa Indian Reservation, Richardson County | Western border of the state with Wyoming |
Nevada | Northern border with Idaho and Oregon; marked by the 42nd parallel | On the Colorado River , at the intersection with Arizona and California | Eastern border with Arizona and Utah | Western border with California north of Lake Tahoe |
New Hampshire | Approx. 100 meters WNW of the intersection with Maine and Quebec | Approx. 1 mile NNE of Dracut, Massachusetts | Inhabited: Star Island, Isles of Shoals; Uninhabited: Anderson's Ledge, Isles of Shoals (both are part of the Town of Rye.) | On the Connecticut River , opposite Brattleboro, Vermont. (The entire river is part of New Hampshire.) |
New Jersey | On the Delaware River, opposite Port Jervis, New York (latitude 41.36 North) | Cape May Point State Park, Cape May County (latitude 38.93 North) | On the Hudson River in Alpine, Bergen County (longitude 73.90 West) | In the Killcohook National Wildlife Refuge (longitude 75.56 West). NJ and Delaware share a short land border in this area. |
State | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
New Mexico | Northern border with Colorado | Southern border of New Mexico's "bootheel" with Mexico, Hidalgo County | Eastern border with Oklahoma (not Texas) | Western border with Arizona |
New York | In the Saint Lawrence River just north of Robert Moses State Park and Barnhart Island, St. Lawrence County (latitude 45.01 North) | Southern tip of Staten Island, Richmond County (latitude 40.50 North) at Tottenville, Staten Island | Montauk Point, Suffolk County (longitude 71.86 West) | Western (not southern) border with Pennsylvania (longitude 79.76 West), at Twentymile Creek |
North Carolina | Northern border both Virginia and Tennessee | Cape Fear, Brunswick County | Rodanthe, Dare County | Hothouse Township, Cherokee County |
North Dakota | Northern border with Canada (formed by the 49th parallel) | Southern border with South Dakota | On the Bois de Sioux River, approx. 3 miles NE of Fairmount, Richland County | Western border with Montana |
Ohio B[›] |
At junction of border with Erie and Pennsylvania ;[15] Almost due north of Conneaut, Ashtabula County |
,[16] South of and between:
|
At Ohio-Pennsylvania-West Virginia border ;[19] on the Ohio River (underwater). |
At Indiana-Kentucky-Ohio border ;[20] On the Ohio River (underwater), West of the mouth of the Great Miami River, Hamilton County |
State | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
Oklahoma | Northern border with Kansas along 37 °N | At the southern (Texas) shore of Gunn Lake on the Red River, just above the intersection of the Arkansas and Texas state lines, McCurtain County | Extreme southeastern Sequoyah County in middle of Arkansas River below Moffett, bordering Fort Smith, Arkansas, on its northwest side | Western border with New Mexico along 103 °W, also known as the Cimarron Meridian |
Oregon | Sand Island, Clatsop County [21] | Southern border with California and Nevada (marked by the 42nd parallel) from the Pacific Ocean [22] to Idaho [23] | On the Snake River, Hells Canyon National Recreation Area, approx. 10 miles (as the crow flies) west of Lucile, Idaho (longitude 116.46 West)[24] | Cape Blanco, Curry County (longitude 124.57 West) [25] Westernmost islands: Orford Reef, Curry County |
Pennsylvania | At junction of border with New York and Ontario, northeast of North East, Pennsylvania, approximately | Southern border with Maryland and West Virginia | Matamoras, Pennsylvania | Western border with Ohio and West Virginia |
Rhode Island | NE corner of the state, in Cumberland, Rhode Island | Southern tip of Block Island | SE corner of the state; intersection of Massachusetts state line and Rhode Island Sound, near Quicksand Pond | Napatree Point |
South Carolina | Approx. 10 miles south of Flat Rock, North Carolina | Cockspur Island, Jasper County near Georgia coast (20 miles south of Beaufort | Intersection of the North Carolina border and the Atlantic Ocean near Myrtle Beach | Oconee County, near Georgia at Chattooga River at the junctions of Tugaloo and Savannah Rivers nearby Whitewater Falls |
State | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
South Dakota | Northern border with North Dakota | Dakota Dunes, South Dakota, slightly WSW of the intersection of the Big Sioux and Missouri Rivers, Union County | On the Big Sioux River, 1 km Southeast of Hudson, South Dakota, Lincoln County | Western border with Montana and Wyoming |
Tennessee | In land between the lakes along the kentucky border in Stewart county Tn | along the Georgia border, in the city of East Ridge, Tennessee | NE corner of the state | SW corner of the state |
Texas | Northern border with the Oklahoma Panhandle | Approx. 5 miles SE of Brownsville, on the Rio Grande | On the Sabine River , SW of Burr Ferry, Louisiana | 0.6 miles west of the Rio Grande, near Borderland, El Paso County |
Utah | Northern border with Idaho; formed by the 42nd parallel | Southern border with Arizona | Eastern border with Colorado | Western border with Nevada |
Vermont | Northern border with Quebec roughly follows the 45th parallel, mostly running about 1 km to 2 km north of the parallel. The northernmost segment of the border is in the town of Highgate, Vermont | On the Connecticut River , at the intersection of Vermont, Massachusetts, and New Hampshire | On the Connecticut River, approx. 1 mile east of Beecher Falls, Essex County | On the East Bay of Lake Champlain , approx. 2 miles north of Whitehall, New York |
State | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
Virginia | Approx. 3 miles NW of Unger, West Virginia | 1/2 mile north of Whitetown, North Carolina | Intersection of Maryland-Virginia (Eastern Shore ) State line and Atlantic Ocean, Assateague Island National Seashore , Accomack County | Approx. 2 miles E of Middlesboro, Kentucky, in Cumberland Gap National Historical Park |
Washington | Northern border with Canada, formed by the 49th parallel | Reed Island, Clark County (latitude 45.55 North) | Intersection of Washington, Oregon and Idaho state lines (longitude 116.92 West) | Bodelteh Islands, Clallam County (longitude 124.77 West) (also the westernmost point in the contiguous 48 states) Westernmost mainland: Cape Alava, Clallam County |
West Virginia | Intersection of West Virginia-Pennsylvania state line and the Ohio River | Approx. 1 mile NW of Amonate, Virginia | Intersection of West Virginia-Virginia state line and the Potomac River | On the Tug Fork River, approx. 5 miles NNW of Louisa, Kentucky |
Wisconsin | Northernmost point of border with Minnesota, north of Apostle Islands, approximately | Intersection of border with Illinois and Lake Michigan | Easternmost point of border with Michigan, northwest of North Manitou Island, approximately | On the St. Croix River, 1/4 mile south of Polk-Burnett county line |
Wyoming | Northern border with Montana; formed by the 45th parallel | Southern border with Colorado and Utah; formed by the 41st parallel | Eastern border with Nebraska and South Dakota | Western border with Idaho and Utah |
State / Territory | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
American Samoa | Swains Island | Steps point, Tutuila Island | Rose Atoll | Cape Taputapu, Tutuila Island |
District of Columbia | Near the intersection of E Beach Dr NW and Verbena St NW | Western end of Oxon Hill Farm | Intersection of Eastern Avenue NE and Southern Avenue NE | Western side of C&O Canal National Historical Park, about 2/3 of the way up the island |
Federated States of Micronesia (Independent Associated State since 1986) | Ulithi Atoll | Kapingamarangi Atoll | Kosrae Island | Ngulu Atoll |
Guam | Ritidian Point | Aga point (mainland), Cocos Island (offshore) | Pati point | Udall Point (formerly Orote Point) |
Guantanamo Bay (Naval Base) | Eastern 2/3 of the northern border with the rest of the bay | Winward Point | Eastern border of longitude near 75º05' | Southern 1/3 of Guantanamo Bay's western border (a longitude line west of Leeward Point Field) |
Northern Mariana Islands | Northern tip of Farallon de Pajaros | Southern tip of Rota island | Eastern tip of Farallon de Medinilla | Western tip of Farallon de Pajaros |
Puerto Rico | Area of land near San Antonio | Southern tip of Isla Caja de Muertos | Eastern tip of Isla Culebrita | Western tip of Isla Mona |
U.S. Virgin Islands | Small island off the north coast of Hans Lollik Island | Southwest Cape, St. Croix island | Udall Point (AKA East Point), St. Croix Island | Western tip of Savana Island |
Territory | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
^ A: The State of Alaska uniquely crosses or spans the 180 degree East-West Meridian, and The State of Alaska's territory includes many islands and in several areas "water". This uniquely results in (2) two or (3) three different definitions of East-, South- and West-ernmost points.
^ B: Latitude and longitude coordinates of Ohio's (and other state's) borders "move" with changing geographic co-ordinate systems, see North American Datum and WGS 84.