Fiesta of the Vow 2019 - Laguna de Negrillos - Friday, April 26 Friday, April 26↕ Saturday, April 27 Sunday, April 28 Saturday, May 4 21:00 Masses. 21:30 Bonfire and Announcement and beginning of festivities. 23:30 concert. Sat., Apr. 27> You can find out more on Fiestas.Net