Waterfall of Entrecruces Nature · Carballo, Bergantiños, A Coruña The fervenza de Entrecruces, also known as salto da Férveda, férveda de Sampaio, or fervenza de San Paio, is a natural waterfall on the Outón river, located in the parish of Entrecruces, in the municipality of Carballo, near where this river flows into the Grande. It exceeds forty metres in height amid riverside forest and is considered the largest waterfall in the municipality, one of the most notable wetland spots in the Bergantiños region. Photo: amaianos from Galicia (CC BY 2.0) What to see and do in Carballo