FTP identify this second-longest South American river.
It's course runs over 3,000 miles, originating in a high plateau at the confluence of the Grande and Paranaiba Rivers. Tributaries include the Tiete and the Salado. Notable features include Iguacu Falls and the large Itiapu dam complex. Forming part of the Brazil-Paraguay border, it joins the Uruguay River to form the Rio de la Plata. FTP identify this second-longest South American river.
It's course runs over 3,000 miles, originating in a high plateau at the confluence of the Grande and Paranaiba Rivers.
{Parana} River