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
Laguna del Barco Erilla in a round trip hike of , that should take about five hours. Shepherds huts along the route provide shelter. The lake is used as a reservoir, and no camping is allowed in the valley. The route, which is not difficult, passes through country of great natural beauty. Notes Citations Sources Laguna del Barco Laguna del Barco is a glacial lake in the Sierra de Gredos near the town of El Barco de Ávila, in the province of Ávila, Spain. The lake is at an altitude of . It lies in a long glacial valley on the north side