Lake Atitlán is a lake in the Guatemalan Highlands of the Sierra Madre mountain range. The lake is located in the Sololá Department of southwestern Guatemala. It is known as the deepest lake in Central America.The lake has a maximum depth of about 340 metres (1,120 ft) and an average depth of 154 metres (505 ft).
Its surface area is 130.1 km2 (50.2 sq mi). It is approximately 18 km × 8 km (11.2 mi × 5.0 mi) with around 20 km3 (4.8 cu mi) of water.
Atitlán is an endorheic lake, fed by two nearby rivers and not draining into the ocean.
