The valleys of San Mamés and Oreja Nature · Langayo, Campo de Peñafiel, Valladolid Image of Langayo, not of the place itself. The village sits at 837 metres on the hill where two small valleys watered by the streams of San Mamés and Oreja meet. In the nineteenth century the landscape was of oak and holm oak wood with an abundance of partridge, rabbit and hare. Photo: Nicolás Pérez (CC BY-SA 4.0) What to see and do in Langayo