Main Fiestas in Tres Cantos 2026 from June 18 to June 24. Past days. Friday, June 12 Saturday, June 13 Sunday, June 14 Thursday, June 18 Friday, June 19 Saturday, June 20 Sunday, June 21 Monday, June 22 Tuesday, June 23 Wednesday, June 24 You might be also interested in: Main Fiestas in Dehesa de la Villa 2026 - Ciudad Universitaria - 17 Kms. Saint John's celebrations in Retiro 2026 - Retiro - 22 Kms. Main Fiestas in Moscardó 2026 - Moscardó - 24 Kms. Main Fiestas in Almendrales 2026 - Almendrales - 25 Kms. Main Fiestas in Zofío 2026 - Zofío - 25 Kms.