# 37th parallel north

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The 37th parallel north is a circle of latitude that is 37 degrees north of the Earth's equatorial plane. It crosses Europe, the Mediterranean Sea, Africa, Asia, the Pacific Ocean, North America, and the Atlantic Ocean.
At this latitude, the Sun is visible for 14 hours, 42 minutes during the summer solstice and 9 hours, 37 minutes during the winter solstice.
The 37th parallel north is roughly the northern limit of the visibility of Canopus, the second-brightest star of the night sky. Along with the 37th parallel south, it is the latitude at which solar irradiance is closest to the planetary average, with higher solar irradiance equatorward and lower poleward.

## Around the world

Starting at the Prime Meridian and heading eastward, the parallel 37° north passes through:
    Coordinates Country, territory or sea Notes 37°0′N 0°0′E﻿ / ﻿37.000°N 0.000°E﻿ / 37.000; 0.000﻿ (Prime Meridian) Mediterranean Sea 37°0′N 6°15′E﻿ / ﻿37.000°N 6.250°E﻿ / 37.000; 6.250﻿ (Algeria)  Algeria 37°0′N 6°34′E﻿ / ﻿37.000°N 6.567°E﻿ / 37.000; 6.567﻿ (Mediterranean Sea) Mediterranean Sea 37°0′N 7°15′E﻿ / ﻿37.000°N 7.250°E﻿ / 37.000; 7.250﻿ (Algeria)  Algeria 37°0′N 7°33′E﻿ / ﻿37.000°N 7.550°E﻿ / 37.000; 7.550﻿ (Mediterranean Sea) Mediterranean Sea 37°0′N 8°52′E﻿ / ﻿37.000°N 8.867°E﻿ / 37.000; 8.867﻿ (Tunisia)  Tunisia 37°0′N 10°11′E﻿ / ﻿37.000°N 10.183°E﻿ / 37.000; 10.183﻿ (Mediterranean Sea) Mediterranean Sea Gulf of Tunis 37°0′N 10°53′E﻿ / ﻿37.000°N 10.883°E﻿ / 37.000; 10.883﻿ (Tunisia)  Tunisia Cap Bon 37°0′N 11°4′E﻿ / ﻿37.000°N 11.067°E﻿ / 37.000; 11.067﻿ (Mediterranean Sea) Mediterranean Sea Strait of Sicily, passing just north of the island of Pantelleria, Italy 37°0′N 14°20′E﻿ / ﻿37.000°N 14.333°E﻿ / 37.000; 14.333﻿ (Italy)  Italy Island of Sicily — Province of Ragusa — Province of Siracusa 37°0′N 15°16′E﻿ / ﻿37.000°N 15.267°E﻿ / 37.000; 15.267﻿ (Ionian Sea) Ionian Sea 37°0′N 21°39′E﻿ / ﻿37.000°N 21.650°E﻿ / 37.000; 21.650﻿ (Greece)  Greece Peloponnese (Messenia) 37°0′N 21°57′E﻿ / ﻿37.000°N 21.950°E﻿ / 37.000; 21.950﻿ (Ionian Sea) Ionian Sea Messenian Gulf 37°0′N 22°09′E﻿ / ﻿37.000°N 22.150°E﻿ / 37.000; 22.150﻿ (Greece)  Greece Peloponnese — Messenia — Laconia 37°0′N 23°0′E﻿ / ﻿37.000°N 23.000°E﻿ / 37.000; 23.000﻿ (Aegean Sea) Aegean Sea Myrtoan Sea 37°0′N 24°40′E﻿ / ﻿37.000°N 24.667°E﻿ / 37.000; 24.667﻿ (Greece)  Greece Island of Sifnos 37°0′N 24°44′E﻿ / ﻿37.000°N 24.733°E﻿ / 37.000; 24.733﻿ (Aegean Sea) Aegean Sea 37°0′N 25°1′E﻿ / ﻿37.000°N 25.017°E﻿ / 37.000; 25.017﻿ (Greece)  Greece Islands of Antiparos and Paros 37°0′N 25°13′E﻿ / ﻿37.000°N 25.217°E﻿ / 37.000; 25.217﻿ (Aegean Sea) Aegean Sea 37°0′N 25°23′E﻿ / ﻿37.000°N 25.383°E﻿ / 37.000; 25.383﻿ (Greece)  Greece Island of Naxos 37°0′N 25°34′E﻿ / ﻿37.000°N 25.567°E﻿ / 37.000; 25.567﻿ (Aegean Sea) Aegean Sea 37°0′N 26°26′E﻿ / ﻿37.000°N 26.433°E﻿ / 37.000; 26.433﻿ (Greece)  Greece Island of Levitha 37°0′N 26°30′E﻿ / ﻿37.000°N 26.500°E﻿ / 37.000; 26.500﻿ (Aegean Sea) Aegean Sea 37°0′N 26°55′E﻿ / ﻿37.000°N 26.917°E﻿ / 37.000; 26.917﻿ (Greece)  Greece Island of Kalymnos 37°0′N 27°3′E﻿ / ﻿37.000°N 27.050°E﻿ / 37.000; 27.050﻿ (Aegean Sea) Aegean Sea 37°0′N 27°15′E﻿ / ﻿37.000°N 27.250°E﻿ / 37.000; 27.250﻿ (Turkey)  Turkey 37°0′N 27°47′E﻿ / ﻿37.000°N 27.783°E﻿ / 37.000; 27.783﻿ (Aegean Sea) Aegean Sea 37°0′N 28°13′E﻿ / ﻿37.000°N 28.217°E﻿ / 37.000; 28.217﻿ (Turkey)  Turkey Passing through Adana and Nizip 37°0′N 40°25′E﻿ / ﻿37.000°N 40.417°E﻿ / 37.000; 40.417﻿ (Syria)  Syria 37°0′N 42°18′E﻿ / ﻿37.000°N 42.300°E﻿ / 37.000; 42.300﻿ (Iraq)  Iraq 37°0′N 44°16′E﻿ / ﻿37.000°N 44.267°E﻿ / 37.000; 44.267﻿ (Turkey)  Turkey Şemdinli district (for about 7 km (4.3 mi)) 37°0′N 44°20′E﻿ / ﻿37.000°N 44.333°E﻿ / 37.000; 44.333﻿ (Iraq)  Iraq 37°0′N 44°54′E﻿ / ﻿37.000°N 44.900°E﻿ / 37.000; 44.900﻿ (Iran)  Iran 37°0′N 50°32′E﻿ / ﻿37.000°N 50.533°E﻿ / 37.000; 50.533﻿ (Caspian Sea) Caspian Sea 37°0′N 54°0′E﻿ / ﻿37.000°N 54.000°E﻿ / 37.000; 54.000﻿ (Iran)  Iran 37°0′N 60°3′E﻿ / ﻿37.000°N 60.050°E﻿ / 37.000; 60.050﻿ (Turkmenistan)  Turkmenistan 37°0′N 64°47′E﻿ / ﻿37.000°N 64.783°E﻿ / 37.000; 64.783﻿ (Afghanistan)  Afghanistan 37°0′N 67°56′E﻿ / ﻿37.000°N 67.933°E﻿ / 37.000; 67.933﻿ (Tajikistan)  Tajikistan 37°0′N 68°10′E﻿ / ﻿37.000°N 68.167°E﻿ / 37.000; 68.167﻿ (Afghanistan)  Afghanistan 37°0′N 71°28′E﻿ / ﻿37.000°N 71.467°E﻿ / 37.000; 71.467﻿ (Tajikistan)  Tajikistan 37°0′N 72°28′E﻿ / ﻿37.000°N 72.467°E﻿ / 37.000; 72.467﻿ (Afghanistan)  Afghanistan 37°0′N 74°34′E﻿ / ﻿37.000°N 74.567°E﻿ / 37.000; 74.567﻿ (Pakistan)  Pakistan Gilgit-Baltistan - claimed by India 37°0′N 74°50′E﻿ / ﻿37.000°N 74.833°E﻿ / 37.000; 74.833﻿ (China)  People's Republic of China Xinjiang - for about 14 km (8.7 mi) 37°0′N 75°0′E﻿ / ﻿37.000°N 75.000°E﻿ / 37.000; 75.000﻿ (Pakistan)  Pakistan Gilgit-Baltistan - for about 14 km (8.7 mi), claimed by India 37°0′N 75°9′E﻿ / ﻿37.000°N 75.150°E﻿ / 37.000; 75.150﻿ (China)  People's Republic of China Xinjiang Qinghai Gansu Ningxia Gansu Shaanxi Shanxi Hebei Shandong - Passing through Yantai 37°0′N 122°32′E﻿ / ﻿37.000°N 122.533°E﻿ / 37.000; 122.533﻿ (Yellow Sea) Yellow Sea Asan Bay 37°0′N 126°20′E﻿ / ﻿37.000°N 126.333°E﻿ / 37.000; 126.333﻿ (South Korea)  South Korea South Chungcheong Province Gyeonggi Province - passing through Pyeongtaek, Anseong North Chungcheong Province - passing just north of Chungju North Gyeongsang Province 37°0′N 129°25′E﻿ / ﻿37.000°N 129.417°E﻿ / 37.000; 129.417﻿ (Sea of Japan) Sea of Japan 37°0′N 136°46′E﻿ / ﻿37.000°N 136.767°E﻿ / 37.000; 136.767﻿ (Japan)  Japan Island of Honshū: — Ishikawa Prefecture 37°0′N 137°3′E﻿ / ﻿37.000°N 137.050°E﻿ / 37.000; 137.050﻿ (Sea of Japan) Sea of Japan Toyama Bay 37°0′N 137°42′E﻿ / ﻿37.000°N 137.700°E﻿ / 37.000; 137.700﻿ (Japan)  Japan Island of Honshū: — Niigata Prefecture — Nagano Prefecture — Niigata Prefecture — Gunma Prefecture − for around 10 km (6.2 mi) — Niigata Prefecture − for around 7 km (4.3 mi) — Fukushima Prefecture — Tochigi Prefecture — Ibaraki Prefecture — Fukushima Prefecture 37°0′N 140°59′E﻿ / ﻿37.000°N 140.983°E﻿ / 37.000; 140.983﻿ (Pacific Ocean) Pacific Ocean 37°0′N 122°11′W﻿ / ﻿37.000°N 122.183°W﻿ / 37.000; -122.183﻿ (United States)  United States California - landfall at Bonny Doon Beach just north of Santa Cruz and falling in Fresno Nevada - Falling South of Alamo and Gold Point Utah / Arizona border Colorado / New Mexico border Colorado / Oklahoma border Kansas / Oklahoma border Missouri Illinois (at its southernmost point) Kentucky - passing through Bowling Green and just south of Paducah Virginia - passing through Chesapeake Bay Bridge–Tunnel (specifically, the bridge between the two tunnels) 37°0′N 76°18′W﻿ / ﻿37.000°N 76.300°W﻿ / 37.000; -76.300﻿ (Atlantic Ocean) Atlantic Ocean 37°0′N 25°10′W﻿ / ﻿37.000°N 25.167°W﻿ / 37.000; -25.167﻿ (Portugal)  Portugal Santa Maria Island in the Azores 37°0′N 25°3′W﻿ / ﻿37.000°N 25.050°W﻿ / 37.000; -25.050﻿ (Atlantic Ocean) Atlantic Ocean 37°0′N 8°57′W﻿ / ﻿37.000°N 8.950°W﻿ / 37.000; -8.950﻿ (Portugal)  Portugal Sagres Point 37°0′N 8°56′W﻿ / ﻿37.000°N 8.933°W﻿ / 37.000; -8.933﻿ (Atlantic Ocean) Atlantic Ocean 37°0′N 7°59′W﻿ / ﻿37.000°N 7.983°W﻿ / 37.000; -7.983﻿ (Portugal)  Portugal Cape Santa Maria 37°0′N 7°50′W﻿ / ﻿37.000°N 7.833°W﻿ / 37.000; -7.833﻿ (Atlantic Ocean) Atlantic Ocean Gulf of Cádiz 37°0′N 6°32′W﻿ / ﻿37.000°N 6.533°W﻿ / 37.000; -6.533﻿ (Spain)  Spain 37°0′N 1°53′W﻿ / ﻿37.000°N 1.883°W﻿ / 37.000; -1.883﻿ (Mediterranean Sea) Mediterranean Sea

## United States

In the United States, the parallel defines the southern borders of Utah, Colorado, and Kansas, and the northern borders of Arizona, New Mexico, and Oklahoma. It dates to the Kansas–Nebraska Act of 1854 when Congress divided Unorganized Territory into Kansas and Nebraska north of the 37th parallel and a remainder Indian Territory to the south. Before that, the line had been thought to be the boundary between the Cherokee and Osage reservations – the 2.46 miles (3.96 km) discrepancy resulting in the creation of the Cherokee Strip. Congress extended the line west to New Mexico Territory, thus defining which states and territories would constitute The South between the Colorado and Mississippi Rivers, and creating what later became the Oklahoma Panhandle.
The parallel 37° north formed the southern boundary of the historic and extralegal Territory of Jefferson.

### U.S. Landmarks located on or in close proximity of the 37th parallel

* Santa Cruz, California – Located on the exact entry point into the U.S. at Bonny Doon Beach.
* Yosemite National Park — Situated in close proximity, just north of the 37th parallel.
* Death Valley – The 37th parallel runs approximately 1,300 ft south of the Little Hebe Crater rim and approximately 1,900 ft south of the larger Ubehebe Crater rim, a crater that's 800 meters (2,600 ft) wide and 235 meters (771 ft) deep.
* Area 51, Nevada — Also known as "Groom Lake".
* Four Corners, the only point where four U.S. states meet.
* Cairo, Illinois – The southernmost city in Illinois.
* Bowling Green, Kentucky
* Chesapeake Bay Bridge–Tunnel – A critical maritime and transportation structure.