🇧🇷 Brazil · North (Amazon)
The Amazon isn't a city: it's the highest-volume river on the planet and, for many travellers, the trip of a lifetime. It rises in the Peruvian Andes and crosses the continent from west to east until it spills into the Atlantic, near Belém. Its average flow is around 209,000 to 224,000 cubic metres per second, about a fifth of all the fresh water the world's rivers discharge into the oceans: more than the Nile, the Yangtze and the Mississippi combined. Its basin, the largest in the world, covers some 7 million square kilometres. Travelling it means entering a scale that's hard to picture until it's in front of you.
In Brazil, the Amazon is experienced above all from the water. There are no roads linking most of the towns here: the river IS the road. That's why the most authentic (and cheapest) way to travel is to board a multi-deck regional boat, hang your hammock on deck and let yourself drift for days between Manaus, Santarém and Belém, mixed in with riverside families, chickens, motorbikes and bananas. At the other end are the boutique cruises and floating jungle lodges, offering the same landscape with a cabin, a bilingual guide and excursions in small launches. Both are valid; you choose according to budget and appetite for adventure.
What you'll see is like nothing else. The Encontro das Águas, where the dark Rio Negro and the coffee-coloured Solimões run side by side without mixing. Pink botos (river dolphins) surfacing beside the launch. Giant water lilies, circular leaves up to three metres across floating on the lakes. Caimans, sloths, toucans, monkeys, herons. The flooded forest (igapó) that lets you sail among the treetops. And, above all, riverside life: the stilt houses, the kids waving from the bank, the floating markets. The Amazon is landscape, wildlife and people, all at once and on a scale that rearranges your head.
For thousands of years the Amazon was the axis of life for hundreds of Indigenous peoples, who travelled, traded and lived on its waters long before any European. The first to travel its full length was the Spaniard Francisco de Orellana, who between 1541 and 1542 came down by accident from the Andes to the Atlantic; on that journey, his chronicler, the friar Gaspar de Carvajal, described a fight against women warriors who fought alongside the men of a riverside people, and that inspired the river's name, in reference to the Amazons of Greek mythology. Centuries later came the great naturalists (La Condamine, Humboldt, Spix and Martius, Bates, Wallace, Spruce, Agassiz), who revealed Amazonian biodiversity to the world. Between the late 19th and early 20th centuries, the rubber boom filled the river with steamships and turned Manaus and Belém into opulent belle époque cities. It remains the subject of an old scientific debate: whether or not it is the longest river in the world, in dispute with the Nile. The full story is on our history page.
Read the full history ↓Brazil's largest state, the heart of the Amazon rainforest: land of dozens of Indigenous peoples, of the rubber boom that raised the Manaus opera house, of the Meeting of the Waters and of a Free Trade Zone that turned the capital into an industrial hub in the middle of the jungle.
Read the history of Amazonas →No exact prices: a scale from $ (budget) to $$$$$ (luxury), with 2-3 options per category.
Origins, formation and what the sources say.
Long before any European dreamed of the Amazon, the great river was already the axis of life for hundreds of peoples. For thousands of years, Indigenous communities lived along its banks and its tributaries, and organised their whole existence around the water: the river was the larder (fish, turtles, fruit), the road (the canoe as the only 'path') and the centre of trade that covered enormous distances between the ocean and the Andes.
For a long time the pre-Columbian Amazon was imagined as an almost empty forest, home to small scattered groups. Archaeological research over recent decades has changed that picture: we now know that along the river, above all in the várzea areas (the fertile plain that floods each year), there lived large and complex societies, with big villages, landscape management and elaborate pottery. The first European chronicles, in fact, describe densely populated banks, with continuous settlements and organised chiefdoms.
That Indigenous population was wiped out with brutal speed after the Europeans arrived, above all through epidemics of new diseases and through violence and enslavement. But their mark lives on: in the language (a great many names of places, plants and animals in the Amazon come from Tupi and other Indigenous languages), in the cooking, in knowledge of the forest and in the culture of today's ribeirinhos, heirs to that long relationship between people and river.
The first European to travel the river end to end got there almost by accident. In 1541, the Spaniard Francisco de Orellana joined Gonzalo Pizarro's expedition, which set out from Quito in search of the legendary 'Land of Cinnamon' east of the Andes. When hunger and lack of supplies brought the expedition to the brink of disaster, Orellana was sent downstream in a brigantine to look for food. The current, however, made the return impossible: on 26 December 1541, unable to turn back, Orellana agreed to push on into the unknown with some 50 men and a Dominican friar, Gaspar de Carvajal, who left the chronicle of the journey.
For months they travelled down the giant river, past populated banks, through peaceful encounters and battles. On 26 August 1542, after an extraordinary crossing, they reached the Atlantic: it was the first recorded navigation of the Amazon, from the Andes to the sea. Carvajal's account, with its exaggerations and its wonder, was for centuries the main European window onto the rainforest.
The river's name was born of one of those episodes. Carvajal described a battle, around the middle of 1542, against a riverside people among whose warriors were women, whom he described as tall, pale-skinned and fierce, able to fight like ten men. Orellana, schooled in the classics, linked those warriors to the Amazons of Greek mythology, the legendary women fighters, and began to call the current 'the river of the Amazons'. And so a battle and a Greek myth gave the highest-volume river in the world its name.
After the conquistadors came the scientists, and with them the Amazon went from a land of legends to one of the world's great natural laboratories. The way was opened in the 18th century by the Frenchman Charles Marie de La Condamine, who in 1743-1744 came down the Amazon after his geodesic measurements in the Andes: he made the first modern scientific map of the river and sent Europe one of the first samples of rubber, foreshadowing what would transform the region two centuries later.
In the early 19th century, the Prussian Alexander von Humboldt, together with the French botanist Aimé Bonpland, explored the Orinoco and proved its connection with the Rio Negro through the Casiquiare channel; his work and his outlook inspired a whole generation of naturalists. Between 1817 and 1820, the Bavarians Johann Baptist von Spix (a zoologist) and Carl Friedrich Philipp von Martius (a botanist) travelled the Amazon and returned to Munich with thousands of specimens; Martius then spent decades on his monumental 'Flora Brasiliensis'.
The most famous chapter was written by the Victorian naturalists. In 1848, the Englishmen Henry Walter Bates and Alfred Russel Wallace arrived on the Amazon together; the botanist Richard Spruce soon joined them. Wallace would develop, in parallel with Darwin, the theory of natural selection; Bates spent eleven years in the forest, described thousands of new species and formulated the concept of mimicry ('Batesian mimicry') that gave early support to the theory of evolution, all of it poured into his classic 'The Naturalist on the River Amazons'. Later, the Swiss-American Louis Agassiz added his own expedition. Thanks to them, the world began to understand that the Amazon was the most diverse living system on the planet.
Between the late 19th and early 20th centuries, the Amazon went through its most dizzying transformation: the rubber cycle. The industrial revolution and, above all, the invention of the pneumatic tyre sent world demand for latex soaring, and the Amazon was then almost the only source of rubber on the planet. Steamships began to travel the river loaded with latex bound for the Atlantic, returning with people, goods and the ideas of the European belle époque.
That torrent of money turned Manaus and Belém, at the two ends of the Brazilian stretch, into belle époque windows deep in the rainforest. Manaus, strategically placed on the Rio Negro, was nicknamed the 'Paris of the Tropics': it had electric light, trams and running water before many European capitals, put up sumptuous mansions and built its jewel, the Teatro Amazonas, opened in 1896-1897 with Carrara marble, Glasgow steel and Paris furniture. In 1902, British engineers inaugurated Manaus's famous floating harbour, a solution that allowed year-round operation despite the river level rising and falling several metres between seasons, and that cemented the city as a major logistics hub able to receive ocean-going ships.
The splendour was as dazzling as it was fragile. From 1876, rubber seeds smuggled out of the Amazon gave rise to immense plantations in Southeast Asia (Malaya, Ceylon), far more efficient. When that Asian rubber flooded the market from 1912, prices collapsed and the Amazonian rubber economy went under. Manaus and Belém entered a long decline, and the river went back to a quieter life, until new cycles in the 20th century.
Nobody disputes that the Amazon is the highest-volume river on the planet: it discharges an average flow of around 209,000 to 224,000 cubic metres per second at its mouth, close to a fifth (around 20%) of all the fresh water the world's rivers pour into the oceans, more than the Nile, the Yangtze and the Mississippi combined. Its basin, at some 7 million square kilometres, is also the largest in the world. That much is beyond doubt.
What has been argued over for more than a century is its length, and in particular whether or not it's longer than the Nile. The problem is that measuring a river isn't as simple as it sounds: you have to decide where it begins (which of the many Andean streams is 'the' source) and where it ends (the mouth of the Amazon is a giant, debatable delta). Small differences in those criteria change the result by hundreds of kilometres. That's why the figures vary so much: the 'classic' length usually cited is around 6,400 km, but various recent measurements stretch it to some 6,575-7,062 km.
The most widely accepted source for almost a century was the Mismi peak, in the Peruvian Andes, which feeds the Apurímac River. In 2014, a study led by the explorer James 'Rocky' Contos proposed an even more distant source, in the headwaters of the Mantaro River, which would lengthen the river. With the right measurement and the right source, several works argue that the Amazon would beat the Nile and be the longest river in the world; others, and records such as the Guinness, still give the title to the Nile. The discussion remains open, and it's partly semantic: it depends where you decide a river 'begins' and 'ends'.