The Duratón as it flows through Rábano Nature · Rábano, Campo de Peñafiel, Valladolid Image of Rábano, not of the place itself. Madoz placed the village on the right bank of the Duratón, shortly before its meeting with the Duero. Its 27.75 square kilometres at 777 metres combine vineyard, cereal and the slopes that fall towards the river. Photo: David Perez (CC BY 3.0) What to see and do in Rábano