The Colombia–Ecuador border is an international boundary between the territories of

Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...

and

Ecuador Ecuador, officially the Republic of Ecuador, is a country in northwestern South America, bordered by Colombia on the north, Peru on the east and south, and the Pacific Ocean on the west. It also includes the Galápagos Province which contain ...

. It consists of two sections, one terrestrial and one marine, well-defined: The first section is a continuous line of 586 kilometres, running from east to west (from the Güepí River to the mouth of the Mataje River in Ancón de Sardinas Bay in the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...

). It is about 28% of what was once the border between Colombia and Ecuador after the disintegration of the Great Colombia in 1830. The current land border was demarcated permanently by Muñoz-Suárez Vernaza Treaty on 15 July 1916. The second tranche starts at the end point of the land boundary and runs 200

nautical mile A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. Historically, it was defined as the meridian arc length corresponding to one minute ( of a degree) of latitude at t ...

s offshore, as expressed in the law of the sea. This part was demarcated by the Liévano-Lucio Treaty August 23, 1975.
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References

Borders of Colombia Borders of Ecuador International borders {{Ecuador-geo-stub

See also

References