Valentín de la Sierra is a 1968 Mexican film directed by René Cardona and starring Antonio Aguilar.
[1] The film is inspired by the corrido of the same name, a dramatization of the death of Cristero rebel Valentín Ávila Ramírez.
The setting of the film was changed to the earlier Mexican Revolution.
[2] Valentín de la Sierra was filmed during the winter of 1967.
Scenes were shot in Texcoco de Mora and Mexico City.