Iguazú Falls sits on the Argentina–Brazil border, inside two protected national parks:
- Argentina side: Iguazú National Park (Parque Nacional Iguazú), accessed from Puerto Iguazú (Misiones, Argentina).
- Brazil side: Iguaçu National Park (Parque Nacional do Iguaçu), accessed from Foz do Iguaçu (Paraná, Brazil).
- Closest airports:
- IGR: Cataratas del Iguazú International Airport (Argentina)
- IGU: Foz do Iguaçu International Airport (Brazil)
- IGR: Cataratas del Iguazú International Airport (Argentina)






