SeasonMapWhat's on in Puerto Iguazú, Argentina through the year
Puerto Iguazú, Argentina has 5 curated events through the year — 2 holidays, 1 seasonal opening, 1 closure and 1 local rule. The ones to plan around: Full moon walk to the Garganta (January) and Timed park tickets, bought online (January). January, February and July are its peak-crowd months.
Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not
Best time to visit Puerto Iguazú: weather, crowds and notes →
Puerto Iguazú events and crowds by month
| Month | What starts | Crowds |
|---|---|---|
| January | Timed park tickets, bought online, Full moon walk to the Garganta, Argentine summer holidays | Peak crowds |
| February | — | Peak crowds |
| March | — | Busy |
| April | — | Shoulder season |
| May | — | Shoulder season |
| June | — | Busy |
| July | July school holidays | Peak crowds |
| August | — | Busy |
| September | — | Shoulder season |
| October | — | Shoulder season |
| November | Garganta walkway shut in flood | Shoulder season |
| December | — | Busy |
January in Puerto Iguazú
Puerto Iguazú weather in January →Peak crowds — Argentine summer holidays, Summer holidays in Argentina
- Rule
Timed park tickets, bought online
1 Jan – 31 DecBook earlyThe Argentine side sells a dated, time-slotted ticket online and the park asks you to turn up in your slot. Buying at the gate on a holiday weekend is how people end up losing a morning. Source ↗
- Opening
Full moon walk to the Garganta
1 Jan – 31 DecDark-sky seasonBook earlyThe park runs a night train and walkway trip to the Devil's Throat only on the nights around each full moon, sold separately and months ahead. It is called off when the river runs too high. Source ↗
- Holiday
Argentine summer holidays
1 Jan – 15 FebSchool holidaysCrowdedBook earlyJanuary is the domestic peak and the walkways move at the pace of the slowest group on them. First train of the day to the Garganta, or wait until three, are the two ways round it. Source ↗
Still on: Garganta walkway shut in flood (1 Nov – 30 Apr (usually))
February in Puerto Iguazú
Puerto Iguazú weather in February →Peak crowds — Argentine summer holidays, Summer holidays in Argentina
Nothing new starts in February.
Still on: Timed park tickets, bought online (1 Jan – 31 Dec), Full moon walk to the Garganta (1 Jan – 31 Dec), Argentine summer holidays (1 Jan – 15 Feb), Garganta walkway shut in flood (1 Nov – 30 Apr (usually))
March in Puerto Iguazú
Puerto Iguazú weather in March →Busy — Summer holidays in Argentina, school holidays in 2 of the markets that fill it
Nothing new starts in March.
Still on: Timed park tickets, bought online (1 Jan – 31 Dec), Full moon walk to the Garganta (1 Jan – 31 Dec), Garganta walkway shut in flood (1 Nov – 30 Apr (usually))
April in Puerto Iguazú
Puerto Iguazú weather in April →Shoulder season — an ordinary month
Nothing new starts in April.
Still on: Timed park tickets, bought online (1 Jan – 31 Dec), Full moon walk to the Garganta (1 Jan – 31 Dec), Garganta walkway shut in flood (1 Nov – 30 Apr (usually))
May in Puerto Iguazú
Puerto Iguazú weather in May →Shoulder season — an ordinary month
Nothing new starts in May.
Still on: Timed park tickets, bought online (1 Jan – 31 Dec), Full moon walk to the Garganta (1 Jan – 31 Dec)
June in Puerto Iguazú
Puerto Iguazú weather in June →Busy — school holidays in 2 of the markets that fill it, one of its best months for weather
Nothing new starts in June.
Still on: Timed park tickets, bought online (1 Jan – 31 Dec), Full moon walk to the Garganta (1 Jan – 31 Dec)
July in Puerto Iguazú
Puerto Iguazú weather in July →Peak crowds — July school holidays, Winter recess in Argentina
- Holiday
July school holidays
1–31 JulCrowdedBook earlyArgentina and Brazil take their winter break at the same time and both sides of the falls fill with families. It is the busiest fortnight of the dry half of the year. Source ↗
Still on: Timed park tickets, bought online (1 Jan – 31 Dec), Full moon walk to the Garganta (1 Jan – 31 Dec)
August in Puerto Iguazú
Puerto Iguazú weather in August →Busy — one of its best months for weather
Nothing new starts in August.
Still on: Timed park tickets, bought online (1 Jan – 31 Dec), Full moon walk to the Garganta (1 Jan – 31 Dec)
September in Puerto Iguazú
Puerto Iguazú weather in September →Shoulder season — school holidays in 2 of the markets that fill it, an ordinary month
Nothing new starts in September.
Still on: Timed park tickets, bought online (1 Jan – 31 Dec), Full moon walk to the Garganta (1 Jan – 31 Dec)
October in Puerto Iguazú
Puerto Iguazú weather in October →Shoulder season — an ordinary month
Nothing new starts in October.
Still on: Timed park tickets, bought online (1 Jan – 31 Dec), Full moon walk to the Garganta (1 Jan – 31 Dec)
November in Puerto Iguazú
Puerto Iguazú weather in November →Shoulder season — an ordinary month
- Closure
Garganta walkway shut in flood
1 Nov – 30 Apr · usuallyRiskSummer rain upriver can put the Iguazu over the catwalk to the Devil's Throat balcony, and the circuit shuts until the flow drops. It has stayed shut for weeks after the worst of them. Source ↗
Still on: Timed park tickets, bought online (1 Jan – 31 Dec), Full moon walk to the Garganta (1 Jan – 31 Dec)
December in Puerto Iguazú
Puerto Iguazú weather in December →Busy — Summer holidays in Argentina, school holidays in 3 of the markets that fill it
Nothing new starts in December.
Still on: Timed park tickets, bought online (1 Jan – 31 Dec), Full moon walk to the Garganta (1 Jan – 31 Dec), Garganta walkway shut in flood (1 Nov – 30 Apr (usually))