Olaya HerreraOlaya Herrera is a town and municipality in the Nariño Department, Colombia. Named after the former President of Colombia Enrique Olaya Herrera. Its municipal seat is known as Bocas de Satinga.WWW olayaherrera-narino.gov.c...ClimateOlaya Herrera has a tropical rainforest climate with heavy to very heavy rainfall year-round.