Quelepa is an important archaeological site located in eastern El Salvador. The site was founded around 400 BC, in the Late Preclassic period (500 BC - AD 250). The inhabitants constructed a platform from plaster and pumice and rebuilt it a number of times. Artefacts recovered during the excavations of the site indicate that the local population depended upon subsistence agriculture, these artefacts included metates (a kind of mortar) and comales (a type of griddle).