The 45th parallel north is a
circle of latitude
A circle of latitude or line of latitude on Earth is an abstract east–west small circle connecting all locations around Earth (ignoring elevation) at a given latitude coordinate line.
Circles of latitude are often called parallels because ...
that is 45
degrees north
North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating Direction (geometry), direction or geography.
Etymology
T ...
of Earth's
equator
The equator is a circle of latitude, about in circumference, that divides Earth into the Northern and Southern hemispheres. It is an imaginary line located at 0 degrees latitude, halfway between the North and South poles. The term can als ...
. It crosses Europe, Asia, the Pacific Ocean, North America, and the Atlantic Ocean.
The 45th parallel north is often called the halfway point between the equator and the
North Pole
The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is the point in the Northern Hemisphere where the Earth's axis of rotation meets its surface. It is called the True North Pole to distinguish from the Mag ...
, but the true halfway point is north of it (approximately between 45°08'36" and 45°08'37") because Earth is an oblate
spheroid
A spheroid, also known as an ellipsoid of revolution or rotational ellipsoid, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters. A spheroid has ...
; that is, it
bulges at the equator and is
flattened at the poles.
At this latitude, the sun is visible for 15 hours 37 minutes during the
summer solstice, and 8 hours 46 minutes during the
winter solstice
The winter solstice, also called the hibernal solstice, occurs when either of Earth's poles reaches its maximum tilt away from the Sun. This happens twice yearly, once in each hemisphere (Northern and Southern). For that hemisphere, the winter ...
. The
midday
Noon (or midday) is 12 o'clock in the daytime. It is written as 12 noon, 12:00 m. (for meridiem, literally 12:00 noon), 12 p.m. (for post meridiem, literally "after noon"), 12 pm, or 12:00 (using a 24-hour clock) or 1200 (military time).
Solar ...
Sun stands 21.6° above the southern horizon at the
December solstice, 68.4° at the
June solstice
The June solstice is the solstice on Earth that occurs annually between 20 and 22 June according to the Gregorian calendar. In the Northern Hemisphere, the June solstice is the summer solstice (the day with the longest period of daylight), whi ...
, and exactly 45.0° at either
equinox
A solar equinox is a moment in time when the Sun crosses the Earth's equator, which is to say, appears directly above the equator, rather than north or south of the equator. On the day of the equinox, the Sun appears to rise "due east" and se ...
.
Around the world
Starting at the
Prime Meridian
A prime meridian is an arbitrary meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. Together, a prime meridian and its anti-meridian (the 180th meridian in a 360°-system) form a great c ...
and heading eastwards, the parallel 45° north passes through:
:
Europe
In
Europe
Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
the 45th parallel hits the
Bay of Biscay coast of
France
France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
in the west. It crosses the river
Rhône
The Rhône ( , ; wae, Rotten ; frp, Rôno ; oc, Ròse ) is a major river in France and Switzerland, rising in the Alps and flowing west and south through Lake Geneva and southeastern France before discharging into the Mediterranean Sea. At Ar ...
at
Pont-de-l'Isère, just north of
Valence, Drôme
Valence (, ; oc, Valença ) is a commune in southeastern France, the prefecture of the Drôme department and within the Auvergne-Rhône-Alpes region. It is situated on the left bank of the Rhône, about south of Lyon, along the railway line ...
and through
Grenoble
lat, Gratianopolis
, commune status = Prefecture and commune
, image = Panorama grenoble.png
, image size =
, caption = From upper left: Panorama of the city, Grenoble’s cable cars, place Saint- ...
. It then continues across the
Massif Central
The (; oc, Massís Central, ; literally ''"Central Massif"'') is a highland region in south-central France, consisting of mountains and plateaus. It covers about 15% of mainland France.
Subject to volcanism that has subsided in the last 10,0 ...
and into the
Aquitaine
Aquitaine ( , , ; oc, Aquitània ; eu, Akitania; Poitevin-Saintongeais: ''Aguiéne''), archaic Guyenne or Guienne ( oc, Guiana), is a historical region of southwestern France and a former administrative region of the country. Since 1 Janu ...
region. The city of
Bordeaux
Bordeaux ( , ; Gascon oc, Bordèu ; eu, Bordele; it, Bordò; es, Burdeos) is a port city on the river Garonne in the Gironde department, Southwestern France. It is the capital of the Nouvelle-Aquitaine region, as well as the prefectur ...
is just south of the parallel. East of Bordeaux, in the municipality of Saint Seurin sur l'Isle, it intersects the Prime Meridian in the corner of an unremarkable field by the side of the A89 highway. There is no marker or other indication of this singular point on the parallel. It can, however, be visited easily by taking secondary roads from Saint Seurin and consulting a standard GPS signal.
In northern
Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...
it parallels the river
Po, near
Rovigo
Rovigo (, ; egl, Ruig) is a city and ''comune'' in the Veneto region of Northeast Italy, the capital of the eponymous province.
Geography
Rovigo stands on the low ground known as Polesine, by rail southwest of Venice and south-southwest of P ...
, passing by
Voghera
The Castle of Voghera in a 19th-century etching.
Voghera ( Vogherese dialect of Emilian: ''Vughera''; Latin: ''Forum Iulii Iriensium'') is a town and ''comune'' in the Province of Pavia in the Italian region Lombardy. The population was 39,374 ...
, then just south of
Turin
Turin ( , Piedmontese language, Piedmontese: ; it, Torino ) is a city and an important business and cultural centre in Northern Italy. It is the capital city of Piedmont and of the Metropolitan City of Turin, and was the first Italian capital ...
before passing into
France
France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
in the
Cottian Alps
The Cottian Alps (; french: Alpes Cottiennes ; it, Alpi Cozie ) are a mountain range in the southwestern part of the Alps. They form the border between France (Hautes-Alpes and Savoie) and Italy (Piedmont). The Fréjus Road Tunnel and Fréjus Ra ...
.
Further east it passes through the
Balkans
The Balkans ( ), also known as the Balkan Peninsula, is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains that stretch throughout the who ...
:
Romania
Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...
(just north of
Ploiești
Ploiești ( , , ), formerly spelled Ploești, is a city and county seat in Prahova County, Romania. Part of the historical region of Muntenia, it is located north of Bucharest.
The area of Ploiești is around , and it borders the Blejoi commu ...
, and through
Târgu Jiu
Târgu Jiu () is the capital of Gorj County in the Oltenia region of Romania. It is situated on the Southern Sub-Carpathians, on the banks of the river Jiu. Eight localities are administered by the city: Bârsești, Drăgoieni, Iezureni, Polat ...
), the
Serbia
Serbia (, ; Serbian language, Serbian: , , ), officially the Republic of Serbia (Serbian language, Serbian: , , ), is a landlocked country in Southeast Europe, Southeastern and Central Europe, situated at the crossroads of the Pannonian Bas ...
n autonomous province of
Vojvodina
Vojvodina ( sr-Cyrl, Војводина}), officially the Autonomous Province of Vojvodina, is an autonomous province that occupies the northernmost part of Serbia. It lies within the Pannonian Basin, bordered to the south by the national capital ...
, the eastern tip of
Croatia
, image_flag = Flag of Croatia.svg
, image_coat = Coat of arms of Croatia.svg
, anthem = "Lijepa naša domovino"("Our Beautiful Homeland")
, image_map =
, map_caption =
, capit ...
, the northern edge of
Bosnia and Herzegovina
Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and H ...
, and a section of
Adriatic Croatia. The capital city of
Serbia
Serbia (, ; Serbian language, Serbian: , , ), officially the Republic of Serbia (Serbian language, Serbian: , , ), is a landlocked country in Southeast Europe, Southeastern and Central Europe, situated at the crossroads of the Pannonian Bas ...
–
Belgrade
Belgrade ( , ;, ; Names of European cities in different languages: B, names in other languages) is the Capital city, capital and List of cities in Serbia, largest city in Serbia. It is located at the confluence of the Sava and Danube rivers a ...
is just south of the parallel.
In Russia it runs from the west coast of the Caspian Sea to the east coast of the
Black Sea
The Black Sea is a marginal mediterranean sea of the Atlantic Ocean lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bounded by Bulgaria, Georgia, Roma ...
, through the
Republic of Kalmykia
he official languages of the Republic of Kalmykia are the Kalmyk and Russian languages./ref>
, official_lang_list= Kalmyk
, official_lang_ref=Steppe Code (Constitution) of the Republic of Kalmykia, Article 17: he official languages of the ...
,
Stavropol Krai
Stavropol Krai (russian: Ставропо́льский край, r=Stavropolsky kray, p=stəvrɐˈpolʲskʲɪj kraj) is a federal subjects of Russia, federal subject (a Krais of Russia, krai) of Russia. It is geographically located in the North ...
and its capital
Stavropol
Stavropol (; rus, Ставрополь, p=ˈstavrəpəlʲ) is a city and the administrative centre of Stavropol Krai, Russia. As of the 2021 Census, its population was 547,820, making it one of Russia's fastest growing cities.
It was known as ...
, and
Krasnodar Krai
Krasnodar Krai (russian: Краснода́рский край, r=Krasnodarsky kray, p=krəsnɐˈdarskʲɪj kraj) is a federal subject of Russia (a krai), located in the North Caucasus region in Southern Russia and administratively a part of t ...
and its capital
Krasnodar
Krasnodar (; rus, Краснода́р, p=krəsnɐˈdar; ady, Краснодар), formerly Yekaterinodar (until 1920), is the largest city and the administrative centre of Krasnodar Krai, Russia. The city stands on the Kuban River in southern ...
. In
Ukraine
Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...
it crosses the
Crimea
Crimea, crh, Къырым, Qırım, grc, Κιμμερία / Ταυρική, translit=Kimmería / Taurikḗ ( ) is a peninsula in Ukraine, on the northern coast of the Black Sea, that has been occupied by Russia since 2014. It has a pop ...
and its capital
Simferopol
Simferopol () is the second-largest city in the Crimea, Crimean Peninsula. The city, along with the rest of Crimea, is internationally recognised as part of Ukraine, and is considered the capital of the Autonomous Republic of Crimea. However, ...
.
Asia
After leaving Russia the parallel passes through southern
Kazakhstan
Kazakhstan, officially the Republic of Kazakhstan, is a transcontinental country located mainly in Central Asia and partly in Eastern Europe. It borders Russia to the north and west, China to the east, Kyrgyzstan to the southeast, Uzbeki ...
, skirting the northern edge of the
Ustyurt Plateau
The Ustyurt or Ust-Yurt (from kk, Үстірт; uz, Ustyurt; tk, Üstyurt; — flat hill, plateau) is a transboundary clay desert shared by Turkmenistan, Uzbekistan and Kazakhstan.
The plateau's semi-nomadic population raises sheep, goats, an ...
. It intersects the city of
Burylbaytal at the southern tip of
Lake Balkhash
Lake Balkhash ( kk, Балқаш көлі, ''Balqaş kóli'', ; russian: озеро Балхаш, ozero Balkhash) is a lake in southeastern Kazakhstan, one of the largest lakes in Asia and the 15th largest in the world. It is located in the ea ...
and the city of
Qyzylorda
Kyzylorda ( kk, Қызылорда, translit=Qyzylorda, ), formerly known as Kzyl-Orda (russian: Кзыл-Орда), Ak-Mechet (Ак-Мечеть), Perovsk (Перовск), and Fort-Perovsky (Форт-Перовский), is a city in south-cen ...
further west. At the border with
Uzbekistan
Uzbekistan (, ; uz, Ozbekiston, italic=yes / , ; russian: Узбекистан), officially the Republic of Uzbekistan ( uz, Ozbekiston Respublikasi, italic=yes / ; russian: Республика Узбекистан), is a doubly landlocked cou ...
it bisects the
Aral Sea
The Aral Sea ( ; kk, Арал теңізі, Aral teñızı; uz, Орол денгизи, Orol dengizi; kaa, Арал теңизи, Aral teńizi; russian: Аральское море, Aral'skoye more) was an endorheic basin, endorheic lake lyi ...
and its toxic
Vozrozhdeniya Island
Rebirth Island ( rus, Остров Возрождения, t=Rebirth Island, a=Ru-возрождение.ogg, p=vəzrɐˈʐdʲenʲɪjə; kk, Возрождение аралы, ''Vozrojdenie araly''; uz, Vozrojdeniye oroli) was an island in the ...
peninsula, site of an abandoned Soviet
bioweapons
Biological warfare, also known as germ warfare, is the use of biological toxins or infectious agents such as bacteria, viruses, insects, and fungi with the intent to kill, harm or incapacitate humans, animals or plants as an act of war. Bi ...
laboratory.
In
northwest China
Northwest China () is a statistical region of China which includes the autonomous regions of Xinjiang and Ningxia and the provinces of Shaanxi, Gansu and Qinghai. It has an area of 3,107,900 km2.
The region is characterized by a (semi-)arid con ...
it passes through the
Ili Kazakh Autonomous Prefecture
Ili Kazakh Autonomous Prefecture ( kk, Іле Қазақ автономиялық облысы) (also as Yili) is an autonomous prefecture for Kazakh people in Northern Xinjiang, China, one of five autonomous prefectures in Xinjiang. Yining City ...
in
Xinjiang
Xinjiang, SASM/GNC: ''Xinjang''; zh, c=, p=Xīnjiāng; formerly romanized as Sinkiang (, ), officially the Xinjiang Uygur Autonomous Region (XUAR), is an autonomous region of the People's Republic of China (PRC), located in the northwest ...
and the oil city of
Karamay
Karamay is a prefecture-level city in the north of the Xinjiang Uyghur Autonomous Region, People's Republic of China. The name of the city comes from the Uyghur language and means "black oil", referring to the oil fields near the city.
Karamay ...
. Transecting southern
Mongolia
Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 million, ...
it passes through the provinces of
Sükhbaatar,
Dornogovi (and its capital
Sainshand
Sainshand ( mn, Сайншанд; ) is the capital of Dornogovi Province in Mongolia. It is located in the eastern Gobi desert steppe, on the Trans-Mongolian Railway.
Administration
The territory of Sainshand sum consists of 5 ''bags'' (commu ...
),
Dundgovi
Dundgovi or Dundgobi ( mn, Дундговь, ''Middle Gobi'') is one of the 21 aimags (provinces) of Mongolia. It is located in the south of the country, approximately south of Ulaanbaatar. Its capital is Mandalgovi. Dundgovi is the second leas ...
,
Övörkhangai,
Bayankhongor
Bayankhongor ( mn, Баянхонгор, lit=''righ soft'', or ''rich sweetheart'') is the capital of the Bayankhongor Province (aimag) in Mongolia. The administration of the Bayankhongor Sum (district) is also located in the same place. The city ...
,
Govi-Altai
Govi-Altai ( mn, Говь-Алтай / , ) is an aimag (province) in western Mongolia.
Transportation
The Altai Airport (LTI/ZMAT) has one paved runway and is served by regular flights to Arvaikheer, Bayankhongor and Ulaanbaatar. The new arriva ...
, and
Khovd. At
Khanka Lake
Lake Khanka (russian: о́зеро Ха́нка) or Lake Xingkai (), is a freshwater lake on the border between Primorsky Krai, Russia and Heilongjiang province, Northeast China (at ).
Etymology
On the Delisle map of 1706, the lake is named ...
it enters
northeast China
Northeast China or Northeastern China () is a geographical region of China, which is often referred to as "Manchuria" or "Inner Manchuria" by surrounding countries and the West. It usually corresponds specifically to the three provinces east of t ...
, cutting across
Heilongjiang
Heilongjiang () formerly romanized as Heilungkiang, is a province in northeast China. The standard one-character abbreviation for the province is (). It was formerly romanized as "Heilungkiang". It is the northernmost and easternmost province ...
and continuing through part of
Jilin
Jilin (; alternately romanized as Kirin or Chilin) is one of the three provinces of Northeast China. Its capital and largest city is Changchun. Jilin borders North Korea ( Rasŏn, North Hamgyong, Ryanggang and Chagang) and Russia (Prim ...
and eastern
Inner Mongolia
Inner Mongolia, officially the Inner Mongolia Autonomous Region, is an autonomous region of the People's Republic of China. Its border includes most of the length of China's border with the country of Mongolia. Inner Mongolia also accounts for a ...
.
It leaves the Asian mainland on the coast of
Primorsky Krai
Primorsky Krai (russian: Приморский край, r=Primorsky kray, p=prʲɪˈmorskʲɪj kraj), informally known as Primorye (, ), is a federal subject (a krai) of Russia, located in the Far East region of the country and is a part of the ...
in
Russia
Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
, north of
Vladivostok
Vladivostok ( rus, Владивосто́к, a=Владивосток.ogg, p=vɫədʲɪvɐˈstok) is the largest city and the administrative center of Primorsky Krai, Russia. The city is located around the Zolotoy Rog, Golden Horn Bay on the Sea ...
and continues through the northern part of the
Sea of Japan
The Sea of Japan is the marginal sea between the Japanese archipelago, Sakhalin, the Korean Peninsula, and the mainland of the Russian Far East. The Japanese archipelago separates the sea from the Pacific Ocean. Like the Mediterranean Sea, it h ...
. It passes through
Rishiri-Rebun-Sarobetsu National Park
is a national park on the Rishiri Island, Rebun Island, and a coastal area from Wakkanai to Horonobe at the north-western tip of Hokkaidō, Japan. Areas of the park cover . The park is noted for its alpine flora and views of volcanic mountains ...
and the adjacent town of
Horonobe on the northern tip of
Hokkaidō
is Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel.
The la ...
, the northernmost of
Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
's main islands, before heading east across the North Pacific Ocean.
North America
Throughout the United States the parallel is marked in many places on highways by a sign proclaiming that the location is halfway between the North Pole and the equator.
[Due to the fact that the Earth's equatorial radius is not exactly the same as its polar radius, the 45th parallel line is not exactly half way between the equator and the north pole when traversing the surface of the Earth. The 45th parallel line represents a perfect ]angle bisector
In geometry, bisection is the division of something into two equal or congruent parts, usually by a line, which is then called a ''bisector''. The most often considered types of bisectors are the ''segment bisector'' (a line that passes through ...
between the equator and the north pole when seen from the Earth's center. See this image of a sign on the 45th parallel south for exact distance values.
The 45th parallel forms some boundaries of or passes through many U.S. states:
Oregon
Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...
,
Idaho
Idaho ( ) is a state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Montana and Wyom ...
,
Montana
Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columbi ...
,
Wyoming
Wyoming () is a U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the south ...
,
South Dakota
South Dakota (; Sioux language, Sioux: , ) is a U.S. state in the West North Central states, North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Lakota people, Lakota and Dakota peo ...
,
Minnesota
Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.75 million residents. Minnesota is home to western prairies, now given over to ...
,
Wisconsin
Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...
,
Michigan
Michigan () is a state in the Great Lakes region of the upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the 10th-largest state by population, the 11th-largest by area, and the ...
,
New York,
Vermont
Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to ...
,
New Hampshire
New Hampshire is a U.S. state, state in the New England region of the northeastern United States. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec t ...
and
Maine
Maine () is a state in the New England and Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and north ...
, as well as going through the Canadian provinces of
Ontario
Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central Ca ...
,
Quebec
Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirtee ...
,
New Brunswick
New Brunswick (french: Nouveau-Brunswick, , locally ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. It is the only province with both English and ...
and
Nova Scotia
Nova Scotia ( ; ; ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. Nova Scotia is Latin for "New Scotland".
Most of the population are native Eng ...
. The parallel once formed the northern boundary of the original
Colony of Virginia, as outlined in the
London Company charter.
Going from west to east, the line makes landfall at the
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
coast in Oregon. After crossing Idaho and the
Rocky Mountains
The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...
, it makes up most of the boundary between Montana and Wyoming. It then passes through the
Great Plains
The Great Plains (french: Grandes Plaines), sometimes simply "the Plains", is a broad expanse of flatland in North America. It is located west of the Mississippi River and east of the Rocky Mountains, much of it covered in prairie, steppe, an ...
and continues further East directly through
Minneapolis, MN
Minneapolis () is the largest city in Minnesota, United States, and the county seat of Hennepin County. The city is abundant in water, with list of lakes in Minneapolis, thirteen lakes, wetlands, the Mississippi River, creeks and waterfalls. ...
.
In Michigan, the
Old Mission Peninsula
Peninsula Township is a civil township of Grand Traverse County in the U.S. state of Michigan. As of the 2020 census, the township population was 6,068, up from 5,433 at the 2010 census. The township is coterminous with the Old Mission Peninsul ...
in
Grand Traverse Bay
Grand Traverse Bay is a deep bay of Lake Michigan formed by the Leelanau Peninsula in the northwestern Lower Peninsula of Michigan. The bay is long, wide, and up to deep in spots. It is further divided into two east and west arms by the Ol ...
ends just shy of the 45th parallel. Many guidebooks and signs at the
Mission Point Lighthouse
Mission Point Light is a lighthouse located in the U.S. state of Michigan at the end of Old Mission Point, a peninsula jutting into Grand Traverse Bay north of Traverse City, Michigan, Traverse City. When it was built in 1870, it was an exact co ...
describe it as being halfway between the equator and north pole. When the Grand Traverse Bay recedes below normal level, it is possible to walk out to the exact line.
Further east, the 45th parallel roughly marks the
Canada–United States border
The border between Canada and the United States is the longest international border in the world. The terrestrial boundary (including boundaries in the Great Lakes, Atlantic, and Pacific coasts) is long. The land border has two sections: Can ...
between the
St. Lawrence
Saint Lawrence or Laurence ( la, Laurentius, lit. " laurelled"; 31 December AD 225 – 10 August 258) was one of the seven deacons of the city of Rome under Pope Sixtus II who were martyred in the persecution of the Christians that the Roma ...
and
Connecticut
Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its cap ...
rivers, between the Canadian province of
Quebec
Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirtee ...
and the states of New York and Vermont. The parallel is sometimes called the "Canada line" or the
Collins–Valentine line
The Collins–Valentine line, or Valentine–Collins line, is the boundary at approximately 45 degrees north latitude that separates the province of Quebec from the states of New York and Vermont. It was surveyed and marked by survey monuments i ...
. After the
Seven Years' War
The Seven Years' War (1756–1763) was a global conflict that involved most of the European Great Powers, and was fought primarily in Europe, the Americas, and Asia-Pacific. Other concurrent conflicts include the French and Indian War (1754 ...
, the 45th parallel was declared the boundary between New York and Quebec. Under the
Webster–Ashburton Treaty
The Webster–Ashburton Treaty, signed August 9, 1842, was a treaty that resolved several border issues between the United States and the British North American colonies (the region that became Canada). Signed under John Tyler's presidency, it r ...
of 1842, original measurement errors stand so that the boundary is not exactly at 45 degrees north but is where the survey monuments were erected in 1772. The actual boundary of Vermont lies approximately north of the parallel due to an error in the 1772 survey.
All of mainland
New Brunswick
New Brunswick (french: Nouveau-Brunswick, , locally ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. It is the only province with both English and ...
lies north of the 45th parallel. Approximately two-thirds of
Deer Island, plus all of
Campobello and
Grand Manan
Grand Manan is a Canadian island in the Bay of Fundy. Grand Manan is also the name of an incorporated village, which includes the main island and all of its adjacent islands, except White Head Island. It is governed as a village and is part of t ...
islands, are south of the 45th parallel.
The parallel roughly bisects
mainland Nova Scotia.
Halifax is approximately south of the parallel.
File:45th Parallel I-5 Keizer OR.jpg, Marker on Interstate 5 near Keizer, Oregon
Keizer () is a city located in Marion County, Oregon, United States, along the 45th parallel. As of the 2010 United States Census, its population was 36,478. It lies in the Willamette Valley, and is part of the Salem Metropolitan Statistical Ar ...
File:45thParallelRosevilleMN.jpg, 45th parallel marker in Roseville, Minnesota
Roseville is a city in Ramsey County, Minnesota, United States. It is one of two Minneapolis-Saint Paul, Twin Cities suburbs that are adjacent to both Saint Paul and Minneapolis (the other is Lauderdale, Minnesota, Lauderdale). The land comprisin ...
File:45th parallel north.png, New Hampshire historical marker
The U.S. state of New Hampshire has, since 1958, placed historical markers at locations that are deemed significant to New Hampshire history. The New Hampshire Division of Historical Resources (DHR) and the Department of Transportation (DOT) are j ...
( number 115) for the 45th parallel
See also
*
45th parallel south
*
44th parallel north
The 44th parallel north is a circle of latitude that is 44 degrees north of the Earth, Earth's equator, equatorial plane. It crosses Europe, the Mediterranean Sea, Asia, the Pacific Ocean, North America, and the Atlantic Ocean.
At this latitu ...
*
46th parallel north
*
45×90 points
Notes
References
External links
The 45th Parallelat th
*From th
Minas Astronomy Group45th Parallel MarkersDegree Confluence Project
{{DEFAULTSORT:45th Parallel North
n45
Canada–United States border
Borders of Montana
Borders of Wyoming