Fiesta of Sansomendi 2019 from September 13 to September 15. Past days. Thursday, September 12 Friday, September 13 Saturday, September 14 Sunday, September 15 You might be also interested in: Holy Cross 2019 - Galdacano (Biscay) - 47 Kms. September Fiesta 2019 - Miranda de Ebro (Burgos) - 36 Kms. September Fiesta 2019 - Sondica (Biscay) - 58 Kms. September Fiesta 2019 - Villamediana de Iregua (La Rioja) - 60 Kms. Fiesta of Udondo 2019 - Udondo (Biscay) - 65 Kms.