Masses in Las Omanas Monday, June 24 11:00 Leon 36 Kms. Fiesta of Leon 2024 Mass. You might be also interested in: Masses in the province of Leon (1) Masses in the province of Valladolid (1) Masses in the province of Salamanca (1) Masses in the province of Burgos (2) Masses in the province of Segovia (6)