The meridian 70° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Atlantic Ocean, the Caribbean Sea, South America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.

The 70th meridian west forms a great circle with the 110th meridian east.

From Pole to Pole
Starting at the North Pole and heading south to the South Pole, the 70th meridian west passes through:

{| class="wikitable plainrowheaders"
! scope="col" width="120" | Co-ordinates
! scope="col" width="150" | Country, territory or sea
! scope="col" | Notes
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Arctic Ocean
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| Nunavut – Ellesmere Island
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Nares Strait
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| Inglefield Land, Saunders Island and Wolstenholme Island
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Baffin Bay
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| Nunavut – Baffin Island
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Hudson Strait
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| Nunavut – High Bluff Island
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Hudson Strait
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| Nunavut – Diana Island
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Diana Bay
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| Quebec
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Saint Lawrence River
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| Quebec
|-
| 
! scope="row" | 
| Maine
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Atlantic Ocean
| style="background:#b0e0e6;" | Gulf of Maine
|-
| 
! scope="row" | 
| Massachusetts – Cape Cod and Monomoy Island
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Atlantic Ocean
| style="background:#b0e0e6;" | Nantucket Sound
|-
| 
! scope="row" | 
| Massachusetts – Nantucket Island
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Atlantic Ocean
| style="background:#b0e0e6;" |
|-valign="top"
| 
! scope="row" | 
| Island of Hispaniola – passing just west of Santo Domingo (at )
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Caribbean Sea
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
|
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Caribbean Sea
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
| Amazonas
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
| Loreto Region – for about 16 km
|-valign="top"
| 
! scope="row" | 
| Amazonas Acre – from )
|-valign="top"
| 
! scope="row" | 
| Madre de Dios Region Puno Region – from ) Tacna Region – from )
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
| For about 8 km
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
| For about 8 km
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
|
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Straits of Magellan
| style="background:#b0e0e6;" |
|-valign="top"
| 
! scope="row" | 
| Isla Grande de Tierra del Fuego, Thompson Island, Waterman Island and Hoste Island
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Pacific Ocean
| style="background:#b0e0e6;" |
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | Southern Ocean
| style="background:#b0e0e6;" |
|-valign="top"
| 
! scope="row" | Antarctica
| Alexander Island and mainland – claimed by  (Argentine Antarctica),  (Antártica Chilena Province) and  (British Antarctic Territory)
|-
|}

See also
69th meridian west
71st meridian west

w070 meridian west
서경 70도(西經70度)는 본초 자오선에서 서쪽으로 67도 떨어진 경선이다. 북극점에서 시작하여 북극해, 그린란드, 북아메리카, 대서양, 남아메리카, 남극해, 남극을 거쳐 남극점에 이른다.

서경 70도는 동경 110도와 이어져 지구의 둘레를 이룬다.

지나가는 지역 
북극점에서 남극점까지 서경 70도선은 다음 지역을 지나간다.

{| class="wikitable plainrowheaders"
! scope="col" width="120" | 좌표
! scope="col" width="150" | 나라, 지역, 해역
! scope="col" | 주석
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 북극해
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| 누나부트 준주 – 엘즈미어섬
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 네어스 해협
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| 본토, 숀더스섬, 월스텐홈섬
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 배핀만
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| 누나부트 준주 – 배핀섬
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 허드슨 해협
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| 누나부트 준주 – 하이블러프섬
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 허드슨 해협
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| 누나부트 준주 – 다이애나섬
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 다이애나만
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| 퀘벡주
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 세인트로렌스강
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
| 퀘벡주
|-
| 
! scope="row" | 
| 메인주
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 대서양
| style="background:#b0e0e6;" | 메인만
|-
| 
! scope="row" | 
| 매사추세츠주 – 코드곶, 모노모이섬
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 대서양
| style="background:#b0e0e6;" | 낸터켓만
|-
| 
! scope="row" | 
| 매사추세츠주 – 낸터켓섬
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 대서양
| style="background:#b0e0e6;" |
|-valign="top"
| 
! scope="row" | 
| 히스파니올라섬 – 산토도밍고() 바로 서쪽을 지나감
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 카리브해
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
|
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 카리브해
| style="background:#b0e0e6;" |
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
| 아마조나스주
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
| 로레토주 – 약 16 km
|-valign="top"
| 
! scope="row" | 
| 아마조나스주 아크리주 – 부터
|-valign="top"
| 
! scope="row" | 
| 마드레데디오스주 푸노주 – 부터 타크나주 – 부터
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
| 약 8 km
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
| 약 8 km
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
|
|-
| 
! scope="row" | 
|
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 마젤란 해협
| style="background:#b0e0e6;" |
|-valign="top"
| 
! scope="row" | 
| 티에라델푸에고섬, 톰슨섬, 워터맨섬, 오스테섬
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 태평양
| style="background:#b0e0e6;" |
|-
| style="background:#b0e0e6;" | 
! scope="row" style="background:#b0e0e6;" | 남극해
| style="background:#b0e0e6;" |
|-valign="top"
| 
! scope="row" | 남극
| 알렉산더섬과 본토 –  (아르헨티나령 남극),  (안타르티카칠레나현),  (영국령 남극 지역)이 영유권을 주장함.
|-
|}

같이 보기 
 서경 69도
 서경 71도

서경 070도