The main rivers are the Piura, the Chira and the Huancabamba. The reservoir of Poechos has been created within the course of the Chira, has a capacity of 1,000,000000 cubic metres, large portions of the coastal region. The river Quiroz supplies the huge artificial lake of San Lorenzo. Cumanana and The tondero are the traditional music of mestizo Piura. Iglesia San Francisco was founded by the Franciscan Order.