Fiesta of San Martin 2016 - Onate from September 16 to September 17. Past days. Friday, September 16 Saturday, September 17 You might be also interested in: Saint Matthew 2016 - Logrono (La Rioja) - 67 Kms. Fiesta of Bermeo 2016 - Bermeo (Biscay) - 58 Kms. Porrontxo Jaiak 2016 - Egia - 61 Kms.