 In 1876, the then President of Mexico Sebastian Lerdo de Tejada, enacts Desierto de los Leones as an ecological reserve in order to protect existing natural springs and provide water to Mexico City.With this decree, Desierto de los Leones became the first Natural Protected Area in Mexico.After the Mexican Revolution in 1917, the forest Desierto de los Leones became the first National Park in the country.