The Great Chaco offers impressive wildlife, with good chance of seeing some of South America’s charismatic big mammals like jaguars, pumas and tapirs. It also hosts reptiles and birds in abundance, many of which are restricted to this ecoregion. You will enjoy a unique landscape with salt lakes that hold great concentrations of water birds and the dunes of Médanos del Chaco National Park (7 days tour) with its arid vegetation and the palm...