Lapithas () is a mountain located in southern Elis in the western Peloponnese in Greece. The mountain is named after the mythical people, the Lapiths. In the west the mountain touches the Ionian Sea. It is 15 to 20 km long and 10 km wide and covers and area of 100 to 150 km². A large part of the mountain is covered with pine forests, but has suffered great damage in the forest fires of August 2007.