Xallas riverbanks at Brandomil Nature · Zas, Terra de Soneira, A Coruña Image of Zas, not of the place itself. The stretch of the River Xallas as it passes through the municipality's southern parishes, with riverside woodland and the historic crossing used by the Roman road; downstream the river will end up plunging into the sea at O Ézaro. Photo: Lameiro (CC BY-SA 4.0) What to see and do in Zas