The auction of the San Roque arch Activity · Quintanilla de Onésimo, Campo de Peñafiel, Valladolid Image of Quintanilla de Onésimo, not of the place itself. From 13 to 18 August the square hosts a gathering centuries old with a sharing out of wine and the auction of the arch of San Roque, at which products of the local larder are bid for to pay for the festival. Photo: Fundación Joaquín Díaz (CC BY-SA 3.0) What to see and do in Quintanilla de Onésimo