| LACUMBRE | Another name for the Uspallata Pass, between Argentina and Chile (2,6) |
| MERCOSUR | Free trade agreement between Argentina, Brazil, Paraguay and Uruguay (8) |
| HUMBOLDT | The --- Current of the S. Pacific flows north along the coasts of Peru and Chile (8) |
| LACROSSE | A pass between wingers in league game (8) |
| PLATE | English name for the wide river estuary that forms part of the border between Argentina and Uruguay (5) |
| RIVERPLATE | English name for the large estuary between Argentina and Uruguay (5,5) |
| PENALTY | During the 2024 Copa America quarterfinal between Argentina and Ecuador, Lionel Messi missed the opening kick of the penalty shootout when he attempted this (7) |
| PATAGONIA | The southernmost region of South America, in Argentina and Chile, extending from the Andes to the Atlantic (9) |
| LANIN | Volcano on the border of Argentina and Chile |
| NAURU | Island shared between Argentina and Uruguay (5) |
| PESO | Unit of currency in Argentina and Chile |
| ANDES | Mountain range separating Argentina and Chile (5) |
| LAPLATA | Estuary between Argentina and Uruguay |
| PATAGONIAN | From southern Argentina and Chile |
| PATAGONIANS | People of southern Argentina and Chile |
| BATTERY | A device that has a cathode, or positive plate, and an anode, or negative plate; these electrodes must be separated by and are often immersed in an electrolyte that allows ions to pass between the ele |
| BRENNER | The lowest mountain pass between Italy and Austria, used by the Romans 2000 years ago (7) |
| COL | From the French for "neck", a pass between mountain peaks (3) |
| KHYBER | The pass between Pakistan and Afghanistan |
| COLLATERAL | Pass between mountain peaks in sideways movement for security (10) |
