Fiesta of Les Planes 2021 on September 11. Past days. Saturday, September 11 You might be also interested in: Fiesta of Horta 2021 - Horta - 8 Kms. Fiesta of Bellvitge 2021 - Bellvitge - 10 Kms. September Fiesta 2021 - La Llagosta - 15 Kms. Fiesta of Viladecans 2021 - Viladecans - 16 Kms. September Fiesta 2021 - Martorellas - 21 Kms.