Petroglyph of Penoucos de Campo Redondo Curiosity · Valga, Caldas, Pontevedra Image of Valga, not of the place itself. A Bronze Age rock carving declared a Bien de Interés Cultural, with motifs pecked into the granite outcrop; it forms part of the rich complex of rock art of southern Galicia. Photo: José Antonio Gil Martínez from Vigo, Spain (CC BY 2.0) What to see and do in Valga