0 The Waterfalls Posted in g/NATURE by yakisurvivor Aug 29 '20 A waterfall is an area where water flows over a vertical drop or a series of steep drops in the course of a stream or river. Waterfalls are commonly formed in the upper course of a river where lakes fall into in steep mountains. Attachments: Iguazu Water Falls, Brazil + Argentina.jpg (381Kb) Turn off ads 0 · 0 Comments · Give Award · Share · #