Known as Hacienda Pucheguin, the property is surrounded by national parks and is cut by wild rivers, forests of ancient Alerce trees and the Cochamó Valley, a cathedral of towering granite walls popular with rock climbers around the world.
Puelo Patagonia has already raised more than $15 million from two charities that support conservation efforts. The bulk of the money came from the Wyss Foundation, which was founded by Hansjörg Wyss, a Swiss billionaire who has become a major donor to liberal causes in the United States. Another major donor is the Freyja Foundation, which is focused on conservation.