Fiesta of Ansoain 2017 from September 14 to September 17. Past days. Thursday, September 14 Friday, September 15 Saturday, September 16 Sunday, September 17 You might be also interested in: Holy Cross 2017 - Zizur Mayor - 8 Kms. True Cross 2017 - Olite - 41 Kms. Basque Fiesta 2017 - Hernani (Gipuzkoa) - 65 Kms. Holy Cross 2017 - Carcar - 65 Kms. Fiesta of Aiete 2017 - Aiete - Miramon (Gipuzkoa) - 69 Kms.