The killing took place in the Serengue area, on the boundary between the municipalities of El Tambo and Cajibio, in the west of the department of Cauca.
According to local authorities, the bodies of the three men were found by locals with their hands tied and bullet wounds.
"What we know is that there are three abandoned bodies. We are in the process of identifying the bodies and investigating the cause of the crime" said Luis Cornelio Angulo, Cauca's government secretary.
Se confirma masacre en el departamento del Cauca, 3 hombres en Seguengue, El Tambo.