The Falls of Iguacu

Falls of Iguacu

The Falls of Iguacu – The film explores Iguacu National Park on the Brazilian-Argentine border, home to some of the largest waterfalls on Earth. The story follows animals native to this Atlantic rainforest habitat, including kamikaze-like swifts who live behind and fly through the thundering masses of falling water, as well as spotted jaguars and a family of coatis. The film also shows the struggle of park rangers to defend this threatened reserve from opportunistic exploitation.



Some of the largest waterfalls on earth guard a precious secret. In one of the last Atlantic rainforest refuges, spotted jaguars prowl and playful coatis cavort. Breathtaking photography reveals how great dusky swifts risk their lives gliding through tons of falling water, while park rangers risk theirs to fight off Iguaçus impending destruction.

The Falls of Iguacu – Unveiling the Grandeur of Iguazu Falls


Nestled at the intersection of Argentina’s Misiones province and Brazil’s Paraná state, the awe-inspiring Iguazu Falls paint a breathtaking picture of nature’s magnificence. A product of the Iguazu River’s flow, these falls don’t just make for a stunning sight—they stand as the world’s largest waterfall system. Let us journey through this natural wonder, unpacking its history, geology, and the rich experiences it offers to travelers.


The Ethereal Origins of Iguazu Falls

The evocative name “Iguazú” originates from the Guarani or Tupi dialects, where “y” translates to “water” and “ûasú” denotes “big”. An enchanting tale associated with this name narrates the story of a deity, eager to marry a beautiful mortal, Naipí. However, when Naipí eloped with her beloved, Tarobá, the deity’s fury led him to carve the river, thereby creating the falls and sealing the lovers’ fate to an eternal descent.

In the annals of history, Spanish Conquistador Álvar Núñez Cabeza de Vaca stands as the first European to chronicle the existence of these falls in 1541.


The Geological Blueprint

Iguazu Falls isn’t just about the water cascading down; it’s a marvel of geology. The unique staircase design of the falls stems from a dual-layered waterfall, shaped by three strata of basalt. These steps, boasting heights of 35 and 40 metres, are part of the expansive 1,000-metre-thick Serra Geral formation within the Paraná Basin. What defines the falls’ appearance are the top layers of this formation, marked by resilient vesicular basalt.

Over time, erosion has played its role, and estimates suggest that the headwater erosion rate ranges between 1.4 to 2.1 cm/year. Several islands fragment the falls into myriad individual waterfalls and cataracts that vary in height between 60 and 82 metres. The exact number of these mini cascades can swing from 150 to a staggering 300, contingent on the river’s water levels.

A particular section, known as the Devil’s Throat (or ‘Garganta del Diablo’), captures the essence of nature’s fury. This vast canyon, stretching 80–90 m in width and descending 70–80 m in depth, is a sight to behold. Additionally, other notable cascades include the San Martín, Adam and Eva, Penoni, and Bergano.

While the falls span a length of 2.7 km, a significant portion (about 900 m) remains untouched by the cascading waters. Eventually, the waters converge and drain into the Paraná River, marking the junction of Brazil, Argentina, and Paraguay.


Embracing Tourism: Getting to Iguazu Falls

Iguazu International Airport plays a crucial role in connecting visitors to this wonder. Various airlines ensure accessibility, linking major cities from both Argentina and Brazil.

To truly experience the falls, one can embark from several towns such as Foz do Iguaçu (Brazil), Puerto Iguazú (Argentina), or even Ciudad del Este (Paraguay). It’s worth noting that the Iguazú National Park in Argentina and the Iguaçu National Park in Brazil safeguard this natural treasure. In acknowledgment of their significance, both parks achieved UNESCO World Heritage status in the 1980s.

Travelers have an array of experiences at their disposal. On the Brazilian side, an extensive walkway offers captivating views, with a special extension leading to the base of Devil’s Throat. Though helicopter tours once gave an aerial perspective from Brazil, concerns over environmental impacts have led to their prohibition. For those seeking a ground-level experience, buses shuttle visitors to key points within the parks.

Argentina offers an eco-friendly Rainforest Ecological Train, guiding tourists to prime viewing locations. Whether it’s the Devil’s Throat or the myriad of falls scattered across the forest, walking paths ensure that visitors can immerse themselves in the beauty of Iguazu.


A Global Perspective: Comparing Iguazu

One cannot discuss Iguazu without invoking the famous words of former First Lady Eleanor Roosevelt: “Poor Niagara!” Indeed, with Niagara’s height being a mere third of Iguazu’s, the comparison holds weight. Many also draw parallels with Africa’s Victoria Falls. While Iguazu boasts a wider expanse, fragmented by its many falls and islands, Victoria prides itself on possessing the world’s largest water curtain. Each, in its own right, is a testament to nature’s grandeur.

In conclusion, Iguazu Falls stands as a symbol of nature’s unbridled power and beauty. A blend of history, geology, and cultural significance, it invites visitors from around the world to witness a spectacle that words can barely describe. Whether one is drawn by its myths, its geological wonders, or simply the thrill of standing before such immense beauty, Iguazu never ceases to inspire awe.


Dive into the Heart of Iguazu

Spanning the border between Argentina’s Misiones province and Brazil’s Paraná state, the Iguazu Falls (or Iguaçu Falls) aren’t just a natural wonder – they’re a breathtaking testament to the raw power and beauty of our planet. Nestled amidst lush tropical forests, this cascade system isn’t merely the world’s largest; it’s also steeped in myth, geology, and history that beckons travelers from across the globe.


The Enchanting Lore of Iguazu

The name ‘Iguazu’ hails from the Guarani or Tupi languages, fusing the words “y” (meaning water) with “ûasú” (meaning big). Beyond its literal meaning, there’s a poignant legend behind these falls. It is said that a deity, infatuated with the beautiful Naipí, grew wrathful when she escaped with her mortal lover, Tarobá, in a canoe. In his fury, the deity cleaved the river, forming the cascading falls and dooming the lovers to an eternal plunge. This tale, echoing the sounds of the roaring waters, adds a layer of mysticism to the already mesmerizing site.


Geology Unveiled: The Sculpting of Iguazu

The unique two-tiered structure of the falls is the result of three basaltic layers, creating steps that are approximately 35 and 40 meters high. Part of the grand Serra Geral formation, these layers play a pivotal role in shaping the cascades. The resilient vesicular basalt at the sequences’ top, extending around 8-10 meters, directly influences the falls’ contours.

The pace at which the headwater erodes is estimated to be between 1.4 to 2.1 cm annually. This erosion, coupled with the islands scattered along its 2.7-kilometer edge, divides the falls into numerous smaller waterfalls and cataracts. These can range in height from 60 to 82 meters and fluctuate between 150 to 300 in number, contingent on the water level.

A particularly arresting sight is the Devil’s Throat (or Garganta del Diablo), a narrow chasm into which almost half of the river’s flow plunges. It’s a mesmerizing spectacle, with water crashing down from heights reaching up to 260 feet.


Embracing the Magnitude: Comparing Iguazu

When First Lady Eleanor Roosevelt first laid eyes on Iguazu, she was said to have exclaimed, “Poor Niagara!” Such is the grandeur of Iguazu that even the famed Niagara, at 165 feet, pales in comparison. Another frequent comparison is with the Victoria Falls of Southern Africa, situated between Zambia and Zimbabwe. Though Victoria boasts the world’s largest water curtain, spanning over 5,249 feet wide and rising above 328 feet, it’s the distinct 275 falls and islands of Iguazu that set it apart.


Experiencing The Falls of Iguacu: A Traveler’s Guide


Access and Exploration

For those drawn to this natural marvel, accessing the falls is convenient from two main towns: Foz do Iguaçu (Brazil) and Puerto Iguazú (Argentina). Both towns, along with Ciudad del Este in Paraguay, have airports catering to tourists.

The Iguazu Falls is flanked by two national parks: Argentina’s Iguazú National Park and Brazil’s Iguaçu National Park. These sanctuaries, having earned the title of UNESCO World Heritage Sites in 1984 and 1986, respectively, protect the rich biodiversity surrounding the falls and offer numerous vantage points for visitors.

On the Brazilian side, there’s a pathway extending to the base of Devil’s Throat, providing a mesmerizing view. Argentina, on the other hand, offers a Rainforest Ecological Train, transporting visitors to various trails, including the Paseo Garganta del Diablo. This trail takes visitors directly over the thundering waters of Devil’s Throat. Additionally, for the adventurous at heart, inflatable boat services on the Argentine side provide an exhilarating proximity to the falls.


Sustainable Tourism: Bridging Nature with Comfort

Iguazu isn’t just a place of beauty; it’s also a beacon for sustainable tourism. The transportation within the Brazilian side of the park has been revamped to minimize environmental impact while maximizing visitor experience. The latest vehicles are double-decker buses with panoramic views, designed to carry large groups, thereby reducing the number of vehicles and the consequent environmental footprint.


Conclusion: The Timeless Allure of Iguazu

The Iguazu Falls aren’t just cascades of water; they’re a symphony of nature, geology, and history. They capture the imagination with their raw power and beauty, enchant with legends of doomed love, and stand as a testament to nature’s grandeur. Whether you’re an avid traveler, a geology enthusiast, or someone seeking the sublime in nature, Iguazu promises an experience that’s nothing short of magical.

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