51st meridian west
The meridian 51° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Greenland, the Atlantic Ocean, South America, the Southern Ocean, and Antarctica to the South Pole.
The 51st meridian west forms a great circle with the 129th meridian east.
From Pole to Pole
Starting at the North Pole and heading south to the South Pole, the 51st meridian west passes through:
Co-ordinates Country, territory or sea Notes 90°0′N 51°0′W / 90.000°N 51.000°W / 90.000; -51.000 (Arctic Ocean) Arctic Ocean 83°39′N 51°0′W / 83.650°N 51.000°W / 83.650; -51.000 (Lincoln Sea) Lincoln Sea 82°31′N 51°0′W / 82.517°N 51.000°W / 82.517; -51.000 (Greenland) Greenland Wulff Land 82°24′N 51°0′W / 82.400°N 51.000°W / 82.400; -51.000 (Sherard Osborn Fjord) Sherard Osborn Fjord 81°57′N 51°0′W / 81.950°N 51.000°W / 81.950; -51.000 (Greenland) Greenland Passing through several fjords, the Nuussuaq Peninsula and Alluttoq Island 69°32′N 51°0′W / 69.533°N 51.000°W / 69.533; -51.000 (Disko Bay) Disko Bay 69°20′N 51°0′W / 69.333°N 51.000°W / 69.333; -51.000 (Greenland) Greenland Passing through several fjords 63°8′N 51°0′W / 63.133°N 51.000°W / 63.133; -51.000 (Atlantic Ocean) Atlantic Ocean 3°6′N 51°0′W / 3.100°N 51.000°W / 3.100; -51.000 (Brazil) Brazil Amapá
Pará — from 0°0′N 51°0′W / 0.000°N 51.000°W / 0.000; -51.000 (Pará), passing through several islands in the mouth of the Amazon River
Mato Grosso — from 9°48′S 51°0′W / 9.800°S 51.000°W / -9.800; -51.000 (Mato Grosso)
Goiás — from 14°37′S 51°0′W / 14.617°S 51.000°W / -14.617; -51.000 (Goiás)
Mato Grosso do Sul — from 19°24′S 51°0′W / 19.400°S 51.000°W / -19.400; -51.000 (Mato Grosso do Sul)
Minas Gerais — from 19°38′S 51°0′W / 19.633°S 51.000°W / -19.633; -51.000 (Minas Gerais)
São Paulo — from 20°5′S 51°0′W / 20.083°S 51.000°W / -20.083; -51.000 (São Paulo)
Paraná — from 22°47′S 51°0′W / 22.783°S 51.000°W / -22.783; -51.000 (Paraná)
Santa Catarina — from 26°14′S 51°0′W / 26.233°S 51.000°W / -26.233; -51.000 (Santa Catarina)
Rio Grande do Sul — from 27°58′S 51°0′W / 27.967°S 51.000°W / -27.967; -51.000 (Rio Grande do Sul), passing through Lagoa dos Patos31°20′S 51°0′W / 31.333°S 51.000°W / -31.333; -51.000 (Atlantic Ocean) Atlantic Ocean 60°0′S 51°0′W / 60.000°S 51.000°W / -60.000; -51.000 (Southern Ocean) Southern Ocean 77°1′S 51°0′W / 77.017°S 51.000°W / -77.017; -51.000 (Antarctica) Antarctica Claimed by both Argentina (Argentine Antarctica) and United Kingdom (British Antarctic Territory)