Fiesta of Ondarroa 2016 from August 11 to August 17. Past days. Friday, August 12 Saturday, August 13 Sunday, August 14 Monday, August 15 Tuesday, August 16 Wednesday, August 17 You might be also interested in: Summer Fiesta 2016 - Azkoitia (Gipuzkoa) - 21 Kms. Big Week 2016 - San Sebastian (Gipuzkoa) - 51 Kms. August Fiesta 2016 - Aretxabaleta (Gipuzkoa) - 35 Kms. Summer Fiesta 2016 - Llodio (Alava) - 67 Kms. Fiesta of Orendain 2016 - Orendain (Gipuzkoa) - 46 Kms.