Visiting the triple frontier: tracking down all three bordermarkers in one day

After arriving in Puerto Iguazú, we dedicated the next day to visiting the three official border markers that represent the meeting point of Argentina, Brazil, and Paraguay. T/his region is known as the Triple Fro?ntier, one of the most unique border zones in the world.?

A Rare 'Wet Tripoint'

The tripoint here is a true “wet tri-point”—the exact place where the international borders of the three countries meet is located in the middle of the Paraná and Iguazú Rivers.

What makes this place even more special is that each country has installed its own border marker on the riverbank, forming a geographical triangle that visually represents the meeting of nations.

This is quite unusual. In fact, I can only recall similarly marked wet tripoints at:

• BE–DE–LU (Belgium–Germany–Luxembourg) near Ouren

• AT–CZ–SK (Austria–Czechia–Slovakia) near Hohenau an der March

Seeing three clearly defined markers surrounding a river tripoint is a border enthusiast’s dream.

An Epic One-Day Border Adventure

Our journey to visit all three markers in a single day turned into a full-fledged international adventure:

• 🚢 Ferry from Argentina to
       Paraguay

• 🚗 Car ride from the Paraguayan
        marker to Ciudad del Este

• 🌉 Crossing the Friendship Bridge
       (Puente de la Amistad) on foot
        into Brazil

• 🚖 Taxi to the Brazilian border
        marker

• 🌉 Taxi to the Bridge of Brother-
        hood (Puente de la Fraternidad)
        and walking across it

• 🚖 Taxi from the Argentine side
        back to our hotel (Pirayú Hotel)

By the end of the day, we could proudly say we had visited all three border markers—one in each country—within three quarters of a day.

For more detailed travel information, you’re invited to explore our dedicated pages for Argentina and Paraguay.

Three countries, three border markers

It is fascinating to see how each country designed its own unique marker to highlight its presence on the riverbank. Despite the borders meeting in the river itself, all three nations acknowledge the exact geographic point with clear, accessible monuments.

Equally impressive is how these countries have cooperated to build infrastructure that strengthens regional connectivity. Several major bridges span the river, improving access and tightening integration between border communities.

The Newest Symbol of Integration: Puente de la Integración

The most recent example of cross-border cooperation is the Puente de la Integración, a major new structure linking Brazil and Paraguay, officially opened on December 1st, 2025. This bridge not only eases traffic between Foz do Iguaçu and Presidente Franco, but also reinforces the ongoing partnership between the three countries that share this iconic frontier.

Seen from Argentine

Seen from Brasil