# 42nd parallel north

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The 42nd parallel north is a circle of latitude that is 42 degrees north of the Earth's equatorial plane. It crosses Europe, the Mediterranean Sea, Asia, the Pacific Ocean, North America, and the Atlantic Ocean.
At this latitude the sun is visible for 15 hours, 15 minutes during the summer solstice and 9 hours, 6 minutes during the winter solstice.
The earth's rotational speed at this latitude is roughly equal to the speed of sound.
One minute of longitude along the 42nd parallel is approximately 0.7456 nautical miles (0.8580 mi; 1.381 km).

## Around the world

Starting at the Prime Meridian and heading eastwards, the parallel 42° north passes through:
    Coordinates Country, territory or sea Notes 42°0′N 0°0′E﻿ / ﻿42.000°N 0.000°E﻿ / 42.000; 0.000﻿ (Prime Meridian)  Spain Passing near Laluenga and Laperdiguera (Huesca province) 42°0′N 3°11′E﻿ / ﻿42.000°N 3.183°E﻿ / 42.000; 3.183﻿ (Mediterranean Sea) Mediterranean Sea 42°0′N 8°39′E﻿ / ﻿42.000°N 8.650°E﻿ / 42.000; 8.650﻿ (France)  France Island of Corsica 42°0′N 9°27′E﻿ / ﻿42.000°N 9.450°E﻿ / 42.000; 9.450﻿ (Mediterranean Sea) Mediterranean Sea Tyrrhenian Sea 42°0′N 11°58′E﻿ / ﻿42.000°N 11.967°E﻿ / 42.000; 11.967﻿ (Italy)  Italy Passing just north of Rome and through Termoli 42°0′N 15°0′E﻿ / ﻿42.000°N 15.000°E﻿ / 42.000; 15.000﻿ (Adriatic Sea) Mediterranean Sea Adriatic Sea 42°0′N 19°9′E﻿ / ﻿42.000°N 19.150°E﻿ / 42.000; 19.150﻿ (Montenegro)  Montenegro 42°0′N 19°23′E﻿ / ﻿42.000°N 19.383°E﻿ / 42.000; 19.383﻿ (Albania)  Albania 42°0′N 20°37′E﻿ / ﻿42.000°N 20.617°E﻿ / 42.000; 20.617﻿ (Serbia/Kosovo)  Kosovo or Serbia Kosovo is a partially recognised state. Some nations consider its territory to be part of Serbia. 42°0′N 20°46′E﻿ / ﻿42.000°N 20.767°E﻿ / 42.000; 20.767﻿ (North Macedonia)  North Macedonia Passing through Skopje 42°0′N 22°52′E﻿ / ﻿42.000°N 22.867°E﻿ / 42.000; 22.867﻿ (Bulgaria)  Bulgaria 42°0′N 26°56′E﻿ / ﻿42.000°N 26.933°E﻿ / 42.000; 26.933﻿ (Turkey)  Turkey 42°0′N 27°25′E﻿ / ﻿42.000°N 27.417°E﻿ / 42.000; 27.417﻿ (Bulgaria)  Bulgaria 42°0′N 27°51′E﻿ / ﻿42.000°N 27.850°E﻿ / 42.000; 27.850﻿ (Turkey)  Turkey For about 300 m 42°0′N 27°51.42′E﻿ / ﻿42.000°N 27.85700°E﻿ / 42.000; 27.85700﻿ (Bulgaria)  Bulgaria For about 100 m 42°0′N 27°51.52′E﻿ / ﻿42.000°N 27.85867°E﻿ / 42.000; 27.85867﻿ (Turkey)  Turkey For about 500 m 42°0′N 27°52.08′E﻿ / ﻿42.000°N 27.86800°E﻿ / 42.000; 27.86800﻿ (Bulgaria)  Bulgaria 42°0′N 28°2′E﻿ / ﻿42.000°N 28.033°E﻿ / 42.000; 28.033﻿ (Black Sea) Black Sea 42°0′N 33°17′E﻿ / ﻿42.000°N 33.283°E﻿ / 42.000; 33.283﻿ (Turkey)  Turkey 42°0′N 33°34′E﻿ / ﻿42.000°N 33.567°E﻿ / 42.000; 33.567﻿ (Black Sea) Black Sea 42°0′N 34°52′E﻿ / ﻿42.000°N 34.867°E﻿ / 42.000; 34.867﻿ (Turkey)  Turkey 42°0′N 35°7′E﻿ / ﻿42.000°N 35.117°E﻿ / 42.000; 35.117﻿ (Black Sea) Black Sea 42°0′N 41°45′E﻿ / ﻿42.000°N 41.750°E﻿ / 42.000; 41.750﻿ (Georgia)  Georgia 42°0′N 46°5′E﻿ / ﻿42.000°N 46.083°E﻿ / 42.000; 46.083﻿ (Russia)  Russia Dagestan - For about 2 km 42°0′N 46°7′E﻿ / ﻿42.000°N 46.117°E﻿ / 42.000; 46.117﻿ (Georgia)  Georgia For about 3 km 42°0′N 46°9′E﻿ / ﻿42.000°N 46.150°E﻿ / 42.000; 46.150﻿ (Russia)  Russia Dagestan just south of Derbent 42°0′N 48°20′E﻿ / ﻿42.000°N 48.333°E﻿ / 42.000; 48.333﻿ (Caspian Sea) Caspian Sea 42°0′N 52°27′E﻿ / ﻿42.000°N 52.450°E﻿ / 42.000; 52.450﻿ (Kazakhstan)  Kazakhstan 42°0′N 52°48′E﻿ / ﻿42.000°N 52.800°E﻿ / 42.000; 52.800﻿ (Turkmenistan)  Turkmenistan 42°0′N 54°51′E﻿ / ﻿42.000°N 54.850°E﻿ / 42.000; 54.850﻿ (Kazakhstan)  Kazakhstan 42°0′N 56°0′E﻿ / ﻿42.000°N 56.000°E﻿ / 42.000; 56.000﻿ (Uzbekistan)  Uzbekistan 42°0′N 57°10′E﻿ / ﻿42.000°N 57.167°E﻿ / 42.000; 57.167﻿ (Turkmenistan)  Turkmenistan 42°0′N 60°0′E﻿ / ﻿42.000°N 60.000°E﻿ / 42.000; 60.000﻿ (Uzbekistan)  Uzbekistan 42°0′N 66°0′E﻿ / ﻿42.000°N 66.000°E﻿ / 42.000; 66.000﻿ (Kazakhstan)  Kazakhstan 42°0′N 70°20′E﻿ / ﻿42.000°N 70.333°E﻿ / 42.000; 70.333﻿ (Uzbekistan)  Uzbekistan 42°0′N 70°50′E﻿ / ﻿42.000°N 70.833°E﻿ / 42.000; 70.833﻿ (Kyrgyzstan)  Kyrgyzstan 42°0′N 79°50′E﻿ / ﻿42.000°N 79.833°E﻿ / 42.000; 79.833﻿ (China)  People's Republic of China Xinjiang Gansu Inner Mongolia 42°0′N 103°3′E﻿ / ﻿42.000°N 103.050°E﻿ / 42.000; 103.050﻿ (Mongolia)  Mongolia 42°0′N 105°56′E﻿ / ﻿42.000°N 105.933°E﻿ / 42.000; 105.933﻿ (China)  People's Republic of China Inner Mongolia Hebei Inner Mongolia Hebei Inner Mongolia Hebei Inner Mongolia Liaoning Inner Mongolia Liaoning Jilin 42°0′N 128°3′E﻿ / ﻿42.000°N 128.050°E﻿ / 42.000; 128.050﻿ (North Korea)  North Korea Passing through Heaven Lake on Baekdu Mountain 42°0′N 128°29′E﻿ / ﻿42.000°N 128.483°E﻿ / 42.000; 128.483﻿ (China)  People's Republic of China Jilin (for about 8 km) 42°0′N 128°34′E﻿ / ﻿42.000°N 128.567°E﻿ / 42.000; 128.567﻿ (North Korea)  North Korea North Hamgyeong Province - Kaema Plateau - Passing just north of Cheongjin Passing just south of Raseon 42°0′N 130°2′E﻿ / ﻿42.000°N 130.033°E﻿ / 42.000; 130.033﻿ (Sea of Japan) Sea of Japan Passing just south of Okushiri Island, Japan 42°0′N 140°7′E﻿ / ﻿42.000°N 140.117°E﻿ / 42.000; 140.117﻿ (Japan)  Japan Island of Hokkaidō 42°0′N 140°53′E﻿ / ﻿42.000°N 140.883°E﻿ / 42.000; 140.883﻿ (Pacific Ocean) Pacific Ocean 42°0′N 143°9′E﻿ / ﻿42.000°N 143.150°E﻿ / 42.000; 143.150﻿ (Japan)  Japan Island of Hokkaidō 42°0′N 143°15′E﻿ / ﻿42.000°N 143.250°E﻿ / 42.000; 143.250﻿ (Pacific Ocean) Pacific Ocean 42°0′N 124°13′W﻿ / ﻿42.000°N 124.217°W﻿ / 42.000; -124.217﻿ (United States)  United States Oregon / California border Oregon / Nevada border Idaho / Nevada border Idaho / Utah border Wyoming Nebraska Iowa - passing through Cedar Rapids Illinois - passing through the campus of Loyola University in Chicago 42°0′N 87°39′W﻿ / ﻿42.000°N 87.650°W﻿ / 42.000; -87.650﻿ (Lake Michigan) Lake Michigan 42°0′N 86°33′W﻿ / ﻿42.000°N 86.550°W﻿ / 42.000; -86.550﻿ (United States)  United States Michigan - passing through Tecumseh 42°0′N 83°11′W﻿ / ﻿42.000°N 83.183°W﻿ / 42.000; -83.183﻿ (Lake Erie) Lake Erie 42°0′N 82°58′W﻿ / ﻿42.000°N 82.967°W﻿ / 42.000; -82.967﻿ (Canada)  Canada Ontario - passing through Point Pelee National Park 42°0′N 82°29′W﻿ / ﻿42.000°N 82.483°W﻿ / 42.000; -82.483﻿ (Lake Erie) Lake Erie 42°0′N 80°26′W﻿ / ﻿42.000°N 80.433°W﻿ / 42.000; -80.433﻿ (United States)  United States Pennsylvania (Erie County) New York / Pennsylvania border New York Connecticut - running just south of the border with Massachusetts Rhode Island - running just south of the border with Massachusetts Massachusetts 42°0′N 70°42′W﻿ / ﻿42.000°N 70.700°W﻿ / 42.000; -70.700﻿ (Cape Cod Bay) Cape Cod Bay 42°0′N 70°5′W﻿ / ﻿42.000°N 70.083°W﻿ / 42.000; -70.083﻿ (United States)  United States Massachusetts (Truro, Cape Cod) 42°0′N 70°2′W﻿ / ﻿42.000°N 70.033°W﻿ / 42.000; -70.033﻿ (Atlantic Ocean) Atlantic Ocean 42°0′N 8°53′W﻿ / ﻿42.000°N 8.883°W﻿ / 42.000; -8.883﻿ (Spain)  Spain Oia (province of Pontevedra, Galicia) 42°0′N 8°39′W﻿ / ﻿42.000°N 8.650°W﻿ / 42.000; -8.650﻿ (Portugal)  Portugal Valença (Viana do Castelo District) 42°0′N 8°7′W﻿ / ﻿42.000°N 8.117°W﻿ / 42.000; -8.117﻿ (Spain)  Spain Entrimo (province of Ourense, Galicia) 42°0′N 3°48′W﻿ / ﻿42.000°N 3.800°W﻿ / 42.000; -3.800﻿ (Spain)  Spain Lerma, Province of Burgos (Castile and León)

## United States

The parallel 42° north forms most of the New York–Pennsylvania border, although due to imperfect surveying in 1785–1786, this boundary wanders around on both sides of the true parallel. The area around the parallel in this region is known as the Twin Tiers.
The 42nd parallel became agreed upon as the northward limit of the Spanish Empire by the Adams–Onís Treaty of 1819 with the United States, which established the parallel as the border between the Viceroyalty of New Spain of the Kingdom of Spain and the western territory of the United States of America from the meridian of the headwaters of the Arkansas River west to the Pacific Ocean. The Treaty of Guadalupe Hidalgo of 1848 then ceded much of what was then northern Mexico to the United States; as a result, the northernmost U.S. states which were created from Mexican territory (California, Nevada, and Utah) have the parallel 42° north as their northern border, and the adjoining U.S. states of Oregon and Idaho have the parallel as their southern border.
The parallel passes through the states of Wyoming, Nebraska, Iowa, Illinois, Michigan, Pennsylvania, New York, Connecticut, Rhode Island and Massachusetts, and passes through (or near – within three-tenths degree of latitude) the following cities in the United States:
* Crescent City, California
* Yreka, California
* Hartford, Connecticut
* Ames, Iowa
* Chicago, Illinois
* Kalamazoo, Michigan
* Coldwater, Michigan
* Erie, Pennsylvania
* Jamestown, New York
* Busti, New York
* Binghamton, New York
* Plymouth, Massachusetts
* Springfield, Massachusetts
* Worcester, Massachusetts
* Foxborough, Massachusetts
* Ashland, Oregon
* Medford, Oregon
* Providence, Rhode Island
* Brookings, Oregon

## Canada

The parallel 42° north passes through the southern end of Lake Michigan and Lake Erie. Part of the water boundary between Canada and the United States passes south of the 42nd parallel. The southern tip of the Canadian province of Ontario just barely goes south of it at Point Pelee and Pelee Island, while the southernmost portion of the Town of Essex at Colchester is located below the 42nd parallel.