 The main course of the Paraná lies on the west of the delta, and is navigable downstream from Puerto General San Martín by ships up to Panamax kind.Among the many arms of the river are the Paraná Pavón, the Paraná Ibicuy, the Paraná de las Palmas, the Paraná Guazú and the smaller Paraná Miní and Paraná Bravo.The Paraná Pavón is the first major branch.