How long ago did Native Americans settle in the area where Chile would eventually be located ?
The Chilean part of Patagonia embraces the southern part of Valdivia , Los Lagos in Lake Llanquihue , Chiloé , Puerto Montt and the Archaeological site of Monte Verde , also the fiords and islands south to the regions of Aisén and Magallanes , including the west side of Tierra del Fuego and Cape Horn .