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Which is better: Foz do Iguaçu or Porto Alegre?

Short answer

Foz do Iguaçu is in Western Paraná (PR), while Porto Alegre is in the state of Rio Grande do Sul (RS): different regions of Brazil. Foz do Iguaçu: around 275 waterfalls on the border of three countries, with the Itaipu power plant a few kilometers away; Porto Alegre: sunset on the Guaíba with a gourd of chimarrão, the traditional hot yerba mate, in hand. For this month's weather, Porto Alegre has the edge.

Sources: INMET (updated 2026) · ANP · OpenStreetMap
Most reviewed activity in Foz do IguaçuIguazú Falls Argentine Side Tour★ 8.5 · 166 reviews · from US$ 44 · via CivitatisSee dates and price →
Most reviewed activity in Porto AlegrePorto Alegre Airport – City of Gramado Transport★ 8.3 · 14 reviews · from US$ 27 · via CivitatisSee dates and price →
Foz do Iguaçu Porto Alegre
Best time to visit Mar → Sep Jan → May
Weather this month 30° · 10 days of rain 25.2° · 9.9 days of rain
By car R$ 484 · from Curitiba R$ 72 · from Gramado
Ideal stay 3–4 days 2–3 days
Best for Family, Adventure Romantic, Family, Food, Relax
Choose Foz do Iguaçu if

you want a trip for families and adventure seekers: around 275 waterfalls on the border of three countries, with the Itaipu power plant a few kilometers away.

See guide
Choose Porto Alegre if

you want a trip for couples and families: the capital of Rio Grande do Sul has four distinct seasons and is the gateway to the Serra Gaúcha and its vineyards.

See guide
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Where to stay

Where to stay: Foz do Iguaçu or Porto Alegre

The average nightly rate is around R$ 678 in Foz do Iguaçu and R$ 423 in Porto Alegre; what changes in practice is each place's season. Check current prices for your dates before deciding.

Compare hotels and places to stay in Foz do Iguaçu on Booking.com, with up-to-date prices and availability, before you book.

Hotel das Cataratas, A Belmond Hotel, Iguassu Falls in Foz do Iguaçu 9.4 ★★★★★ · 141 reviews Hotel das Cataratas, A Belmond Hotel, Iguassu Falls See on Booking → JL Hotel by Bourbon in Foz do Iguaçu 9.1 ★★★★ · 382 reviews JL Hotel by Bourbon See on Booking →
See all hotels in Foz do Iguaçu

Compare hotels and places to stay in Porto Alegre on Booking.com, with up-to-date prices and availability, before you book.

Intercity Porto Alegre Praia de Belas in Porto Alegre 9.2 ★★★★ · 26 reviews Intercity Porto Alegre Praia de Belas See on Booking → Hotel Moov Porto Alegre in Porto Alegre 8.8 ★★★ · 36 reviews Hotel Moov Porto Alegre See on Booking →
See all hotels in Porto Alegre

Rates change with the dates: confirm the price on Booking.com.

Frequently asked questions

Foz do Iguaçu or Porto Alegre: which is better?
Foz do Iguaçu is in Western Paraná (PR), while Porto Alegre is in the state of Rio Grande do Sul (RS): different regions of Brazil. Foz do Iguaçu: around 275 waterfalls on the border of three countries, with the Itaipu power plant a few kilometers away; Porto Alegre: sunset on the Guaíba with a gourd of chimarrão, the traditional hot yerba mate, in hand. For this month's weather, Porto Alegre has the edge.
What is the best time to visit Foz do Iguaçu and Porto Alegre?
The best time to visit Foz do Iguaçu is from March to September; for Porto Alegre, it is from January to May, based on INMET's climate normals (temperature and rainfall for each month). If your trip already has a date, check each destination's page for your month.
Which of the two is cheaper to get to?
By car, leaving from Curitiba, Foz do Iguaçu is 640 km (398 mi) and costs about R$ 484 each way (fuel plus tolls); leaving from Gramado, Porto Alegre is 115 km (71 mi) and costs about R$ 72 each way (fuel plus tolls). The calculation assumes a car that gets 11 km/L. Lodging and activities vary with each place's season.
Where does it rain less, Foz do Iguaçu or Porto Alegre?
Averaged over the year, Foz do Iguaçu has 9 rainy days a month and Porto Alegre has 9. The two are practically tied over the year, but what decides the trip is the month: the rainiest month in Foz do Iguaçu is October and in Porto Alegre, July. For temperature, Foz do Iguaçu is the warmer one (average high of 29° versus 26°).
How many days should you spend in Foz do Iguaçu and in Porto Alegre?
To see the main sights without rushing, Foz do Iguaçu calls for 3–4 days and Porto Alegre, 2–3 days. These are distant regions: with a week or less, it is usually better to pick one of the two and make the most of it.
Foz do Iguaçu or Porto Alegre with kids?
Both work with kids: Foz do Iguaçu (275 waterfalls, triple border, and UNESCO national park) and Porto Alegre (sunset on the Guaíba, Gaúcho culture, and Chimarrão). The choice usually comes down to getting there, not to infrastructure.
What should you not miss in each?
In Foz do Iguaçu: Iguazu Falls, Brazilian side, Devil's Throat, Argentine side, Puerto Iguazú. In Porto Alegre: Usina do Gasômetro, Public Market, Farroupilha Park (Redenção). These are the sights that show up most in first-trip itineraries for each destination; the full guide to each has the whole list.