Limache is a town and commune in Marga Marga Province, Valparaíso Region, Chile. It is the only Chilean commune with two urban areas: San Francisco de Limache on the north side of the Pelumpén stream, and Limache Viejo on the south. Limache is well-known in Chile for its production of tomatoes, as well as the annual celebration of its patron saint known as the Virgin of the 40 Hours.