Mocona Falls: A 3 km Waterfall That Runs Parallel to The River By Kaushik Tuesday, September 02, 2014 South America, Travel No comments Iguazu Falls may be the most popular waterfalls in Argentina, but Mocona Falls take the crown for the most unique. Mocona does not follow the normal downward and forward trajectory that most waterfalls do. Instead, it runs along the length of ..