Basque Fiesta 2026 - Lezo on June 13. Past days. Saturday, June 13 You might be also interested in: Fiesta of Herrera 2026 - Herrera - 5 Kms. Saint John 2026 - Antiguo - 12 Kms. Fiesta of Hegialde 2026 - Legazpi - 60 Kms.