Iguassu Falls, The waterfall system consists of 275 falls along

2.7 kilometres (1.7 mi) of the Iguazu River. Some of the individual falls are up to 82 metres (269 ft) in height, though the majority are about 64 metres (210 ft). The Devil's Throat, a U-shaped, 82-meter-high, 150-meter-wide and 700-meter-long (490 by 2300 feet) cataract, is the most impressive of all, and marks the border between Argentina and Brazil.