List of extreme points of U.S. states and territories
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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, territories, and the District of Columbia.
State / Territory | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
---|---|---|---|---|
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35°00′28″N 88°11′34″W / 35.0079°N 88.1929°W About 9 miles NW of Waterloo, Lauderdale County, in the far NW corner of the state |
30°11′39″N 88°03′21″W / 30.1941°N 88.0557°W Southern tip of Sand Island (on which Sand Island Light sits), SE of Dauphin Island, Mobile County |
32°15′35″N 84°53′21″W / 32.2598°N 84.8892°W About 10 miles SE of Fort Mitchell, in Russell County on the Georgia border |
Southern third of the Mississippi state line, ending near Melvin, Choctaw County |
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71°23′13″N 156°28′29″W / 71.3870°N 156.4746°W[50] Point Barrow,[1] 9 miles (14 km) northeast of Utqiagvik |
51°12′53″N 179°07′50″W / 51.2148°N 179.1306°W Nitrof Point[2] on Amatignak Island in the Aleutian Islands |
55°16′55.0″N 129°58′27.1″W / 55.281944°N 129.974194°W Belle Bay,[3][4] in Portland Canal By longitude: 51°57′32″N 179°46′14″E / 51.95889°N 179.77056°E[50] |
52°55′20″N 172°26′35″E / 52.92222°N 172.44306°E[50] Peaked Island,[6] in the Aleutians; West of Cape Wrangell,[7] Attu Island By longitude: 51°15′44″N 179°06′31″W / 51.26222°N 179.10861°W[50] |
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11°03′20″S 171°04′40″W / 11.05556°S 171.07778°W Swains Island (Excluding Swains Island: Northern tip of Olosega Island) |
Rose Atoll[9][B] (excluding Rose Atoll: Steps point, Tutuila Island) |
14°32′48″S 168°09′07″W / 14.54667°S 168.15194°W Rose Atoll (Excluding Rose Atoll: eastern end of Ta‘ū Island near Fitiuta) |
Swains Island (excluding Swains Island: Cape Taputapu, Tutuila Island) |
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37th parallel Western two-thirds of the northern border with Utah |
31°19′56″N 111°00′03″W / 31.3322°N 111.0009°W, west of Nogales, along the border with Mexico | Eastern border with New Mexico | West of San Luis, Yuma County |
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36°29′59″N 94°21′18″W / 36.4998°N 94.3549°W NW of Bella Vista, Benton County, along the northern border with Missouri |
33°00′15″N 91°09′58″W / 33.0041°N 91.1661°W SE corner of state, SE of Eudora, Chicot County; on an unnamed peninsula on the west side of the Mississippi River |
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. |
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42nd parallel Northern border with Oregon |
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 |
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41st parallel Northern border with Wyoming |
36.99250°N (approximately) Southern border with New Mexico, near Chromo |
Eastern border with Kansas and Nebraska | Northern two-thirds of western border with Utah[10] |
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42°03′02″N 73°25′57″W / 42.0506°N 73.4325°W North of Salisbury, Litchfield County, along Massachusetts border |
Great Captain Island | CT-MA-RI tri-state point | About 1 mile NW of I-684, Fairfield County (near the intersection of High Hill Road and King Street) |
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39°50′22″N 75°34′11″W / 39.8395°N 75.5698°W Pennsylvania border, north of Wilmington |
38°27′04″N 75°11′10″W / 38.4510°N 75.1860°W SE of Selbyville, Sussex County, along Maryland border |
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) |
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38°59′44″N 77°02′28″W / 38.9955°N 77.0410°W 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 |
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31°00′04″N 85°09′52″W / 31.0010°N 85.1645°W North of Malone, Jackson County, along border with Alabama |
24°31′16″N 81°57′49″W / 24.5211°N 81.9637°W[48] Ballast Key On U.S. road network: Key West On mainland:
25°6′58.07″N 81°5′8.15″W / 25.1161306°N 81.0855972°W - Cape Sable |
26°46′24.56″N 80°1′51.29″W / 26.7734889°N 80.0309139°W Palm Beach Shores, north side of Lake Worth Inlet, Palm Beach County |
30°51′55.11″N 87°38′04.67″W / 30.8653083°N 87.6346306°W On the Perdido River about 12 miles WSW of Walnut Hill, Escambia County |
State / Territory | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
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35°00′03″N 83°06′31″W / 35.0007°N 83.1087°W NE corner of state, NE of Clayton, Rabun County |
30°21′22″N 82°03′56″W / 30.3561°N 82.0656°W On the St. Marys River, S of St. George, Charlton County |
Tybee Island, Chatham County | NW corner of the state, in Dade County, about 7 miles south of Jasper, Tennessee |
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Ritidian Point | Aga Point (mainland), Cocos Island (offshore) | Pati point | Udall Point (formerly Orote Point) |
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Kure Atoll | Ka Lae (south cape), Hawaii County[50] | Cape Kumukahi, Hawaii County | Kure Island |
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49th parallel Northern border with Canada |
42nd parallel Southern border with Utah and Nevada |
Eastern border with Wyoming | On the Snake River, across from Huntington, Oregon |
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NW corner of the state, near East Dubuque, Jo Daviess County | Fort Defiance State Park, Alexander County | 38°46′57.56″N 87°29′50.19″W / 38.7826556°N 87.4972750°W Land: In Lawrence County, along the Wabash River 42°29′37.00″N 87°1′15.00″W / 42.4936111°N 87.0208333°W Water: At the junction of border with Michigan and Wisconsin, almost due east of Winthrop Harbor, Illinois[11] |
Lock & Dam No. 20 on the Mississippi River, near Meyer, Adams County |
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41°45′37.33″N 86°0′0″W / 41.7603694°N 86.00000°W Northern border with Illinois and Michigan |
37°46′23″N 87°57′16″W / 37.77306°N 87.95444°W On the Ohio River, opposite Uniontown, Kentucky |
38°52′31″N 84°47′8.7″W / 38.87528°N 84.785750°W On the Ohio River, about 2 miles NE of Patriot, Switzerland County |
37°54′9″N 88°5′50.3″W / 37.90250°N 88.097306°W On the Wabash River, opposite New Haven, Illinois |
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Northern border with Minnesota and South Dakota | Old river channel across the Des Moines River, near Keokuk, Lee County | On the Mississippi River, between Clinton and Sabula | On the Big Sioux River, about 1 mile west of Westfield, Plymouth County |
State / Territory | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
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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 |
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39°08′36″N 84°44′52″W / 39.1434°N 84.7478°W On the Ohio River, NW of Hebron, Boone County |
36°29′50″N 88°03′27″W / 36.4972°N 88.0575°W On Kentucky Lake at the Tennessee border, about 10 miles SE of New Concord, Calloway County |
On the Tug Fork River at the tripoint with Virginia and West Virginia, Pike County | On the Mississippi River, due south of New Madrid, Missouri, see Kentucky Bend |
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33°01′11″N 93°55′17″W / 33.0196°N 93.9215°W Along Arkansas border, NW of Ida, Caddo Parish |
28°55′31″N 89°25′19″W / 28.9254°N 89.4220°W At the mouth of the Mississippi River, about 14 miles south of Venice, Plaquemines Parish |
Chandeleur Islands | On the Toledo Bend Reservoir, about 5 mi. NW of Logansport, De Soto Parish |
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47°27′35″N 69°13′29″W / 47.4597°N 69.2246°W Estcourt Station, Aroostook County, opposite Pohenegamook, Quebec |
42°58′29″N 70°35′57″W / 42.9747°N 70.5991°W Cedar Island Ledge, York County |
Quoddy Head[50] | Intersection with New Hampshire and Quebec, Oxford County |
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39°43′23″N 78°43′33″W / 39.7230°N 78.7258°W Along the border with Pennsylvania, NE of Cumberland, Allegany County |
37°54′44″N 75°53′01″W / 37.9121°N 75.8837°W Watkins Point, SW of Crisfield, Somerset County |
On the Atlantic Ocean at the Maryland-Delaware state line | SW corner of the Maryland Panhandle, about 10 miles south of Gnegy Church, Garrett County |
State | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
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42°53′12″N 70°54′19″W / 42.88677°N 70.9053°W About 1 mile NW of Salisbury Plains, in Salisbury, Essex County |
About 4 miles WSW of Siasconset, Nantucket Island | Nauset Beach, Cape Cod National Seashore, in Orleans/Chatham, Barnstable County | Near Alander Mountain, in Mount Washington, Berkshire County |
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48°18′21″N 88°22′11″W / 48.30583°N 88.36972°W Northernmost point of border with Ontario, almost due north of Passage Islands and northwest of the Gull Islands |
41°41′46″N 84°48′22″W / 41.69611°N 84.80611°W Intersection of Michigan, Indiana, and Ohio borders, southwest of Camden, Hillsdale County |
43°35′28″N 82°7′22″W / 43.59111°N 82.12278°W Easternmost point of border with Ontario, northeast of Port Sanilac, Michigan |
46°33′58″N 90°25′7″W / 46.56611°N 90.41861°W Mouth of the Montreal River along Wisconsin state line, Gogebic County |
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Angle Inlet, Lake of the Woods County[48] | Southern border with Iowa, within 1 mile W of US 65 | 48°0′51.27″N 89°28′59.94″W / 48.0142417°N 89.4833167°W At junction of border with Michigan and Ontario, northeast of Pigeon Point, Cook County |
Near St. Vincent, Minnesota |
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Central half of the northern border with Tennessee | About 2 miles SE of Ansley, Hancock County | Near Eastport, Tishomingo County | On the Mississippi River, about 7 miles west of Pinckneyville, Wilkinson County |
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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, about 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 |
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49th parallel Northern border with Canada |
In the Beaverhead National Forest, between Italian Peak and Scott Peak, about 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 Canada–US border to about 8 miles SW of Heron, Sanders County |
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43rd parallel "Straight" portion of the northern border with South Dakota, from the west bank of the Missouri River to the Wyoming state line |
Southern border with Kansas | SE corner of the state, in the Iowa Indian Reservation, Richardson County | Western border of the state with Wyoming |
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42nd parallel Northern border with Idaho and Oregon |
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 |
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About 100 meters WNW of the intersection with Maine and Quebec | About 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.) |
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41.36 North latitude Tri-States Monument, at the confluence of the Delaware and Neversink rivers. |
38.93 North latitude Cape May Point State Park, Cape May County |
73.90 West longitude On the Hudson River in Alpine, Bergen County |
75.56 West longitude In the Killcohook National Wildlife Refuge. New Jersey and Delaware share a short land border in this area. |
State / Territory | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
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37th parallel 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 |
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45.01 North latitude In the Saint Lawrence River just north of Robert Moses State Park and Barnhart Island, St. Lawrence County |
40.50 North latitude Southern tip of Staten Island, Richmond County at Tottenville, Staten Island |
71.86 West longitude Montauk Point, Suffolk County |
79.76 West longitude Western (not southern) border with Pennsylvania, at Twentymile Creek |
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36° 35′ N Northern border of North Carolina and Eastern border of Tennessee, twenty feet west of the Virginia border with North Carolina |
33°50′33″N 77°57′44″W / 33.8424°N 77.9621°W 33° 50′ N Cape Fear, Brunswick County at the Southern tip of Bald Head Island |
75° 28′ W Rodanthe, Dare County at Rodanthe Pier |
84° 19′ W Hothouse Township, Cherokee County at the Tri-point of North Carolina, Georgia, and Tennessee |
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49th parallel Northern border with Canada |
45° 56' 07" N Southern border with South Dakota[12] |
46°05′02″N 96°33′16″W / 46.083977°N 96.55455°W On the Bois de Sioux River, about 3 miles NE of Fairmount, Richland County |
104° 03' 2.7" West Longitude Western border with Montana[12] |
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Northern tip of Farallon de Pajaros | Southern tip of Rota island | Eastern tip of Farallon de Medinilla | Western tip of Farallon de Pajaros |
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42°19′37.59″N 80°31′11.43″W / 42.3271083°N 80.5198417°W At junction of border with Erie and Pennsylvania[13] in Conneaut, Ashtabula County |
38°24′11.76″N 82°33′3.78″W / 38.4032667°N 82.5510500°W[14] In Burlington, Lawrence County |
Pennsylvania border | 39°6′19.73″N 84°49′12.56″W / 39.1054806°N 84.8201556°W At Indiana border[15] |
State / Territory | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
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37th parallel Northern border with Kansas |
33°36′56″N 94°31′34″W / 33.61556°N 94.52611°W 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 |
35°23′39″N 94°25′52″W / 35.39417°N 94.43111°W Extreme southeastern Sequoyah County in middle of Arkansas River below Moffett, bordering Fort Smith, Arkansas, on its northwest side |
103° West longitude Western border with New Mexico, also known as the Cimarron Meridian |
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46°17′30.19″N 124°1′30.03″W / 46.2917194°N 124.0250083°W Sand Island, Clatsop County[16] |
42°0′0.00″N 124°12′45.45″W / 42.0000000°N 124.2126250°W to 42°0′0.00″N 117°1′34.39″W / 42.0000000°N 117.0262194°W[17] Southern border with California and Nevada (marked by the 42nd parallel) from the Pacific Ocean to Idaho |
45°36′41.33″N 116°27′49.54″W / 45.6114806°N 116.4637611°W On the Snake River, Hells Canyon National Recreation Area, about 10 miles (as the crow flies) west of Lucile, Idaho (longitude 116.46 West)[18] |
42°50′10.50″N 124°33′54.84″W / 42.8362500°N 124.5652333°W Cape Blanco, Curry County (longitude 124.57 West)[19] Westernmost islands: Orford Reef, Curry County |
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42°29′59.45″N 79°45′42.74″W / 42.4998472°N 79.7618722°W At junction of border with New York and Ontario, northeast of North East, Pennsylvania |
39°43′11″N 76°59′27″W / 39.7198°N 76.9909°W Along border with Maryland, south of Hanover, York County |
Matamoras, Pennsylvania | Western border with Ohio and West Virginia |
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Area of land near San Antonio | Southern tip of Isla Caja de Muertos | Eastern tip of Isla Culebrita | Western tip of Isla Mona |
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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 |
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35°12′55.44″N 82°23′25.29″W / 35.2154000°N 82.3903583°W About 10 miles south of Flat Rock, North Carolina |
32°02′14.64″N 80°53′25.44″W / 32.0374000°N 80.8904000°W Opposite Cockspur Island, Georgia in Jasper County (20 miles south of Beaufort) |
33°51′03.20″N 78°32′27.10″W / 33.8508889°N 78.5408611°W On Bird Island, at the intersection of the North Carolina border and the Atlantic Ocean near Myrtle Beach |
34°41′56″N 83°21′11″W / 34.6989°N 83.3530°W Oconee County, near Georgia at Chattooga River at the junctions of Tugaloo and Savannah Rivers nearby Whitewater Falls |
State / Territory | Northernmost point | Southernmost point | Easternmost point | Westernmost point |
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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 Wyoming[20] |
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In land between the lakes along the Kentucky border in Stewart County, TN | along the Georgia border, in the city of East Ridge, Tennessee | 36°36′42.90″N 81°38′48.90″W / 36.6119167°N 81.6469167°W NE corner of the state |
SW corner of the state |
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Northern border with the Oklahoma Panhandle 36°30′01″N 103°00′08″W / 36.500400°N 103.002280°W |
About 5 miles SE of Brownsville, on the Rio Grande 25°50′13″N 97°23′39″W / 25.837022°N 97.394150°W |
On the Sabine River, SW of Burr Ferry, Louisiana 31°01′52″N 93°30′29″W / 31.031078°N 93.507969°W |
0.6 miles west of the Rio Grande, near Borderland, El Paso County 31°53′44″N 106°38′44″W / 31.895619°N 106.645657°W |
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Midway Atoll | Jarvis Island | Navassa Island | Wake Island |
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42nd parallel Northern border with Idaho |
Southern border with Arizona | Southern third of eastern border with Colorado[10] | Western border with Nevada |
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45th parallel (roughly) Northern border with Quebec, mostly 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, about 1 mile east of Beecher Falls, Essex County | On the East Bay of Lake Champlain, about 2 miles north of Whitehall, New York |
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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 |
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About 3 miles NW of Unger, West Virginia 39°27′58″N 78°20′50″W / 39.466012°N 78.347087°W |
1/2 mile north of Whitetown, North Carolina 36°32′27″N 79°30′38″W / 36.540738°N 79.510647°W |
Intersection of Maryland-Virginia (Eastern Shore ) State line and Atlantic Ocean, Assateague Island National Seashore, Accomack County 38°01′37″N 75°14′33″W / 38.026878°N 75.242448°W |
About 2 miles E of Middlesboro, Kentucky, in Cumberland Gap National Historical Park 36°36′03″N 83°40′31″W / 36.600832°N 83.675384°W |
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49th parallel Northern border with Canada |
45.55 North latitude Reed Island, Clark County |
116.92 West longitude Intersection of Washington, Oregon and Idaho state lines |
124.77 West longitude Bodelteh Islands, Clallam County[48] ----(On mainland)---- Cape Alava, Clallam County |
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Intersection of West Virginia-Pennsylvania state line and the Ohio River | Near the Dry Fork River, about 1 mile NW of Amonate, Virginia | Intersection of West Virginia-Virginia state line and the Potomac River | On the Tug Fork River, about 5 miles NNW of Louisa, Kentucky |
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47°18′36″N 90°39′16″W / 47.31000°N 90.65444°W Northernmost point of border with Minnesota, north of Apostle Islands |
Intersection of border with Illinois and Lake Michigan | 45°14′11″N 86°14′59″W / 45.23639°N 86.24972°W Easternmost point of border with Michigan, northwest of North Manitou Island |
On the St. Croix River, 1/4 mile south of Polk-Burnett county line |
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45th parallel Northern border with Montana |
41st parallel Southern border with Colorado and Utah |
Eastern border with Nebraska[20] | Western border with Idaho and Utah |
Footnotes
^ A: Alaska uniquely crosses or spans the 180 degree east-west meridian, and its 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: Also the southernmost point in the United States
^ 48: Also the extreme point in the 48 contiguous states
^ 50: Also the extreme point in all 50 states
See also
- Extreme points of the United States
- Extreme points of Canadian provinces
- List of U.S. states by elevation
- Geographic centers of the United States
References
- ^ "Point Barrow". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 3, 2009.
- ^ "Nitrof Point". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 3, 2009.
- ^ "Belle Bay". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 3, 2009.
- ^ "Geographical Positions along the International Boundary, NAD83, O. Portland Canal (Alaska/British Columbia), Turning Point 16". International Boundary Commission.
- ^ "Pochnoi Point". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 3, 2009.
- ^ "Peaked Island". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 3, 2009.
- ^ "Cape Wrangell". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 3, 2009.52°55′24″N 172°26′30″E / 52.92333°N 172.44167°E
- ^ "Amatignak Island". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 3, 2009.
- ^ https://sanctuaries.noaa.gov/news/features/0209_rose.html
Rose Atoll Designated A Marine National Monument. Sanctuaries.noaa.gov. Retrieved 14 January 2018. - ^ a b "Why does the eastern border of Utah have a kink in it?". Utah Geological Survey. Retrieved January 31, 2014.
- ^ http://www.legislature.mi.gov/(S(crclotvx1nq5gp55re3x4b3o))/documents/mcl/pdf/mcl-2-201.pdf
- ^ a b https://www.dmr.nd.gov/ndgs/ndnotes/Boundaries/Boundaries.asp
- ^ Ohio Northernmost manually plotted in Google.
- ^ Ohio-Southernmost manually plotted in Google Earth/Maps
- ^ Ohio Westernmost manually plotted in Google.
- ^ Oregon Northernmost point manually plotted in GoogleMaps
- ^ Western and eastern endpoint of Oregon's Southern border manually plotted in GoogleMaps
- ^ Oregon Easternmost point manually plotted in GoogleMaps
- ^ Oregon Westernmost point manually plotted in GoogleMaps
- ^ a b Hubbard, Bill. "American Boundaries: The Nation, the States, the Rectangular Survey". University of Chicago Press, 2008, p. 172.