Fiesta of Aranguren 2019 from August 8 to August 11. Past days. Thursday, August 8 Friday, August 9 Saturday, August 10 Sunday, August 11 You might be also interested in: Medieval Festival 2019 - Olite - 39 Kms. Big Week 2019 - San Sebastian (Gipuzkoa) - 82 Kms.