Vellarróns of O Riós Curiosity · O Riós, Verín, Ourense Image of O Riós, not of the place itself. The entroido masks of the concello, with masks carved in wood, woollen beards and coloured ribbons; the tradition was at one point lost and in recent decades has been recovered in the villages of the municipality. Photo: Elisardojm (CC BY-SA 4.0) What to see and do in O Riós