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Turismo COMAPA - http://www.comapa.com/
Adventure and discovering tour in Patagonia. Glaciers in Argentina and Chile. Torres del Paine expeditions. Antartic expeditions. Sailing by Patagonia.

Yak Expediciones - http://www.yakexpediciones.cl/
Offers trips in Argentina and Chile including Patagonia, Pumalen Park, Chiloe Archipielago, Lake District, and Northern Chilean Islands. Includes trip specifications, requirements, itinerary, and calendar. Also offer year round courses in central Chile and includes course summary.