Fiesta of Montellano 2022 from August 19 to August 24. Past days. Friday, August 19 Saturday, August 20 Sunday, August 21 Wednesday, August 24 You might be also interested in: Big Week 2022 - Bilbao - 26 Kms. Saint Roch 2022 - Llodio (Alava) - 27 Kms.