Mountain range of o Testeiro Nature · O Irixo, Carballiño, Ourense Image of O Irixo, not of the place itself. It closes the municipality along its western edge and separates it from the lands of Pontevedra; several of the streams that run down to the municipality's inland valleys and feed its three rivers rise on its slopes. Photo: Lameiro (CC BY-SA 4.0) What to see and do in O Irixo