Tres Alamos was a political prison camp that operated during the military dictatorship of Augusto Pinochet in Chile.

Its main importance was that the prisoners were identified, unlike other detention centers and could even receive visitors.

[2] Prisoners arrived there for other Dirección de Inteligencia Nacional (DINA), centers, an agency modeled after the Nazi Gestapo.

According to testimonies delivered to the Valech Commission on this site: “They were humiliated and insulted and living in overcrowded conditions.

Among the many people who were detained in this place are the lawyer José Zalaquett, who was head of the legal department of the Pro Paz Committee, Luis Corvalán, general secretary of the Communist Party, and Fernando Flores, former minister of Salvador Allende, and Jorge Müller and Carmen Bueno, a Chilean cinematographer,[3] and his girlfriend a Chilean actress[4][5] and filmmaker who were both left wing activists.