Fiesta of Arriola 2018 from August 24 to August 26. Past days. Friday, August 24 Saturday, August 25 Sunday, August 26 You might be also interested in: Big Week 2018 - Bilbao (Biscay) - 74 Kms. Summer Fiesta 2018 - Armananzas (Navarre) - 43 Kms. Saint Bartholomew 2018 - Oikia (Gipuzkoa) - 47 Kms. Thanksgiving 2018 - Oyon - 48 Kms. Fiesta of Sesma 2018 - Sesma (Navarre) - 62 Kms.