National Parks and Border Logistics in Brazil: what actually matters to know
Short answer
Iguazu Falls requires one day for the Brazilian side and two for the Argentine side, where entrance fees must be paid in cash or magnetic stripe cards. For Fernando de Noronha, be prepared to pay environmental taxes upon arrival and book organized tours for national park access, as May is typically a rainy season with high mosquito activity.
From real experience
Iguazu Falls logistics: Brazilian side requires 1 full day for park and boat tours.
Argentine side recommended 2 days. Border crossing is easy by local bus (not numbered, usually green/light green, no online ticket needed, pay on-site). Note for Argentina: entrance fees require physical cash (pesos) or magnetic strip cards; NFC mobile payments are often not accepted.
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Fernando de Noronha travel logistics: 1. Environmental/tourism tax is collected at the airport upon arrival.
2. A separate entrance ticket is required for the national park area; organized tours are the standard way to visit these zones. 3. Evenings can have high mosquito activity. 4. May is generally considered a rainy season (200-300mm of precipitation).
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Luggage storage at Iguazu (Foz do Iguaçu) bus station in Brazil exists but is described as 'murky' or 'unreliable' by some travelers.
At the airport, payment for luggage storage might require PIX, a local Brazilian payment system. Travelers should be prepared for potential difficulties or alternative payment methods.
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When visiting the waterfall on the Brazilian side, inquire about accepted payment methods for the entrance fee.
Options may include cash or card, and currency exchange facilities might be available nearby or at shopping centers like Palladium.