Laguna del Desierto incident Laguna del Desierto region, the tribunal set the "hito 62" (cornerstone 62) at the O'Higgins/San Martin Lake and draw the boundary from there to mount Fitz Roy on the Martínez de Rozas Range awarding Chile the complete valley of Laguna del Desierto. In 1946 an aerial reconnaissance of the United States Air Force, ordered by the Chilean government, revealed that the lake emptied to the Atlantic shores. Chile and Argentina have to redraw its maps. The initially organized labour support for 1963 elected Argentine President Arturo Illia turned to antagonism during 1964, as secret plans for Juan Domingo Perón's return
Pichilemu pre-Hispanic times. It is located on the site of an ancient fishing village from Punta de Lobos and south of Los Curas Lagoon. Laguna Los Curas (Los Curas Lagoon) is a natural area used for eco-tourist activities such as fishing located south of Pichilemu. Another lagoon, the Laguna del Perro (The Dog's Lagoon) is located south of Pichilemu. It is used for recreational activities. Laguna El Alto (El Alto Lagoon) is a small, rain-fed lagoon located at Chorrillos Beach that is often used for camping and picnics. The lagoon is an hour and a half drive from Pichilemu, traveling to