GORP - Chile Outdoors - National Parks, Natural Reserves, and Other Attractions. - http://gorp.away.com/gorp/location/latamer/chile/chil_pks.htm
Chile Nativo Expediciones - Go hiking, trekking, riding and birdwatching in Torres del Paine National Park. With a world class service. - http://www.chilenativo.com/ing/home.shtml