Trail of o Val de Cambás Activity · Aranga, Betanzos, A Coruña Image of Aranga, not of the place itself. A 6.4-kilometre route along the bank of the River Cambás that links the Pozo de Castro Rodicio fall, the Rego da Palanca fall and the Fraga das Barbudas, within the Betanzos-Mandeo protected area. Photo: el Buho nº30 (CC BY-SA 2.0) What to see and do in Aranga