Picacho de la Virgen
The Picacho de la Virgen or Pico Virgen is a mountain located in the Río Engaño Provincial Reserve, Languiñeo Department, Chubut Province, Argentina. Until 1966, it was claimed by Chile as a boundary peak. It is the source of the Encuentro River and part of the Cordón de las Vírgenes.
History
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The mountain was part of the Alto Palena–Encuentro River dispute, in which Chile claimed it as a boundary feature because it is the birthplace of the Encuentro River, as described in the works of Hans Steffen. The nearby Cerro de la Virgen is the source of the El Salto or Tigre River. This latter river was mistakenly identified by Argentine engineer Gunnar Anfin Lange as the Encuentro River on his 1901 map, submitted by expert Francisco Pascasio Moreno to the tribunal of the 1902 arbitral award, laying the groundwork for the dispute.
The mountain was named by the Chilean Boundary Commission in 1955; the nearby homonymous hill was named by Lange during the preparation of his map. Prior to this, neither name existed.