Pampa Alta Pass (Puesto Viejo)

Pampa Alta Pass
Elevation 865 m (2,838 ft)
Location ArgentinaChile border
Range Andes

Pampa Alta Pass (Spanish: Paso Pampa Alta), also known as Puesto Viejo (Old Post), is a boundary pass between Argentina and Chile, joining Aysén del General Carlos Ibáñez del Campo Region and Chubut Province. The elevation of the pass is 865 metres (2,838 feet) above sea level. The pathway in this locality is a gravel road and the traffic is permanent between 8 am and 8 pm in winter and between 8 am and 10 pm in summer. To leave Chile, it is necessary to obtain a pass from the international police in Coihaique. The nearest police assistance is situated 4 km (2.5 mi) away from the pass and the closest inhabited places are Balmaceda and Coihaique, in Chile.

Pampa Alta has the coldest unofficial recorded temperature in South America, of -40 °C (-40 °F), on June 21, 2002.[1]


  1. ^ Extreme temperatures around the World. Retrieved on 12 February 2011.

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