Olmec heartland Olmec Metropolitan Zone. The major heartland sites are: Smaller sites include: Important heartland finds not associated with any archaeological site include: Olmec heartland The Olmec heartland is the southern portion of Mexico's Gulf Coast region between the Tuxtla mountains and the Olmec archaeological site of La Venta, extending roughly 80 km (50 mi) inland from the Gulf of Mexico coastline at its deepest. It is today, as it was during the height of the Olmec civilization, a tropical lowland forest environment, crossed by meandering rivers. Most researchers consider the Olmec heartland to be the home of the Olmec culture which
Epi-Olmec culture centers though neither would reach the size and importance of the great Olmec cities before them nor El Tajín after them. Other Epi-Olmec sites of note include El Mesón, Lerdo de Tejada, La Mojarra, Bezuapan, and Chuniapan de Abajo. The rise of the Epi-Olmec culture on the western edge of the Olmec heartland coincides with the depopulation of the eastern half of the Olmec heartland and the decline of the Olmec culture in general. The Epi-Olmec culture represented a gradual transformation of, rather than a sharp break with, the Olmec culture. Many Olmec motifs, for example, were employed by its