Argentine Geography and Nature

Rivers, Drainage Basins and Hydrology

25 practice questions, each with the answer and an explanation.

Practise Rivers, Drainage Basins and Hydrology now

Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 25 questions

  1. Which river system constitutes the second-largest drainage basin in South America, covering much of northern Argentina?
  2. Where do the ParanĂĄ and Paraguay rivers converge in northeastern Argentina?
  3. Which river forms the natural boundary separating Argentina from the Oriental Republic of Uruguay?
  4. What geological feature defines the famous IguazĂș Falls located on the IguazĂș River?
  5. Which river serves as the traditional northern boundary dividing the Pampas from Patagonia?
  6. Which two Andean rivers merge to form the RĂ­o Negro, famous for its irrigated fruit orchards?
  7. What unique hydrological feature characterizes the Esteros del IberĂĄ in Corrientes province?
  8. Which lake in CĂłrdoba province is the largest endorheic saline lake in Argentina?
  9. Which glacial lake in Santa Cruz province is the deepest lake in the Americas?
  10. Which Argentine river has its source in Lake Nahuel Huapi and powers major hydroelectric dams?
  11. What is the primary characteristic of the Bermejo River flowing through the Gran Chaco?
  12. Which river basin forms an extensive endorheic drainage system collecting runoff from the Cuyo Andes?
  13. What is the geographic nature of the RĂ­o de la Plata estuary?
  14. Which Patagonian river flows across Chubut and provided irrigation for Welsh settlement in the 19th century?
  15. Which lake feeds the Santa Cruz River, which flows across southern Patagonia into the Atlantic Ocean?
  16. Which river forms part of the international border between Argentina and Paraguay in the northern Gran Chaco?
  17. What is the Bañado La Estrella in Formosa province?
  18. Which river flows through the city of CĂłrdoba and was dammed to form the San Roque Lake in 1891?
  19. Which river flows through the city of San Juan, whose waters are vital for desert viticulture oasis irrigation?
  20. What is the source of the Atuel River, celebrated for its dramatic canyon in southern Mendoza?
  21. Which river reaches the RĂ­o de la Plata at the town of Tigre, at the edge of the ParanĂĄ Delta?
  22. Which lake on the border between Neuquén and Chile drains westward into the Pacific Ocean via the Valdivia River basin?
  23. What is the origin of the pristine waters of Lake Traful in Neuquén province?
  24. Which river in Santa Cruz province is known for its fossil deposits and was explored by Charles Darwin aboard the Beagle?
  25. Which body of water forms the southern boundary of the Autonomous City of Buenos Aires, separating it from Avellaneda and LanĂșs?

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