San Juanin 2019 - Santovenia de Pisuerga - Friday, August 30 Friday, August 30↕ Saturday, August 31 20:00 Concerts. 22:00 Festive activities and DJ. Sat., Aug. 31> You can find out more on Fiestas.Net You might be also interested in: September Fiesta 2019 - Laguna de Duero - 14 Kms. Saint Antoninus 2019 - Palencia - 41 Kms.