Fiesta of Trapagaran 2016 from August 31 to September 4. Past days. Tuesday, August 30 Wednesday, August 31 Thursday, September 1 Friday, September 2 Saturday, September 3 Sunday, September 4 You might be also interested in: Fiesta of Ondiz 2016 - Ondiz - 5 Kms. Fiesta of Las Huertas 2016 - Haro (La Rioja) - 88 Kms.