Bassae is an archaeological site in Oichalia, a municipality in the northeastern part of Messenia, Greece. In classical antiquity, it was part of Arcadia. Bassae lies at an elevation of 1,131 m above sea level on the slopes of Cotylion Mountain. near the village of Skliros, northeast of Figaleia, south of Andritsaina and west of Megalopolis. It is famous for the well-preserved mid- to late-5th century BC Temple of Apollo Epicurius.