How deep is the Mariana Trench?

An illustration of Mariana Trench, the deepest point on Earth. (Image credit: DOERS)

The deepest depths of the sea are found in the crescent shape Mariana Trench, located in the western Pacific Ocean. But what is the deepest point of the Mariana Trench?

The Mariana Trench is about 1,580 miles (2,550 kilometers) long and is located east of the Mariana Islands, which give the trench its name, according to the University of Washington (opens in a new tab). The deepest place in the Mariana Trench is a valley called Challenger Deep, located at the southern end of the Mariana Trench, according to the The National Oceanic and Atmospheric Administration (opens in a new tab) (NOAA).

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