Fiesta of San Bartolome 2018 from August 24 to August 26. Past days. Friday, August 24 Saturday, August 25 Sunday, August 26 You might be also interested in: Big Week 2018 - Bilbao - 12 Kms. Fiesta of Montellano 2018 - Montellano - 18 Kms. Fiesta of Arriola 2018 - Arriola (Alava) - 86 Kms. Saint Bartholomew 2018 - Oikia (Gipuzkoa) - 89 Kms.