The
Peru–Chile Trench, also known as the
Atacama Trench, is an
oceanic trench in the eastern
Pacific Ocean, about 160 kilometres (100 mi) off the coast of
Peru and
Chile. It reaches a maximum depth of 8,065 metres (26,460 ft) below sea level in
Richards Deep and is approximately 5,900 kilometres (3,666 mi) long; its mean width is 64 kilometres (40 mi) and it covers an expanse of some 590,000 square kilometres (228,000 mi²).