Fifty days after Easter, in the Witsun Monday, San Vicente Ferrer, the patron saint  of Valleseco, was brought to this municipality from the Church of Teror

. That's the reason this Festival changes every year because it depends on Easter. It can be at the end of May or at the beginning of June. This year it will be held on May 20th. There are different events musical performances, plays, balls, etc...