It is a dam that has the peculiarity of having a sunken church, a construction that dates from the 17th century and is full of history, since the priest José María Morelos y Pavón offered masses here in 1813. ya que el cura José María Morelos y Pavón ofreció misas aquí en 1813. 

To build the hydroelectric plant, the town of Infiernillo and the ejido Las Minitas were flooded, thus submerging the famous church. hidroeléctrica se inundó el pueblo de Infiernillo y el ejido Las Minitas, quedando así sumergida la famosa iglesia.