🇻🇪 Venezuela · La Gran Sabana and Guayana
Mount Roraima is probably the most legendary tepui on the planet: a colossal rock plateau with sheer walls that rises like an island in the sky above the grasslands of Venezuela's Gran Sabana, at the point where Venezuela, Brazil and Guyana meet. Climbing to its summit is one of South America's great treks and an experience that feels like walking into another world: literally the 'lost world' that fired the imagination of writers and adventurers.
What makes Roraima special isn't just its size, but that it's the tallest tepui and at the same time the only one of the big ones you can walk up, without climbing sheer walls, thanks to a natural rock 'ramp' that leads to the top. Up there a surreal landscape opens out: a world of black rock sculpted by erosion, crystal-clear pools, quartz crystals, carnivorous plants and unique species found nowhere else on Earth, all wrapped in mist and silence. Its rocks are nearly two billion years old.
This guide covers Mount Roraima with a practical, mountain-minded eye: what the multi-day trek involves, where it starts, why you have to go with Pemón guides, what you see on the summit, when to go, real expedition prices and how to prepare for a demanding adventure in a remote and fragile setting. It isn't a destination to improvise, and it isn't for everyone, but people who reach the top of Roraima come back changed: few places in the world give you such a sense of standing in a different time and on a different planet.
Mount Roraima is a tepui - a plateau of Precambrian sandstone almost two billion years old - at the tripoint between Venezuela, Brazil and Guyana, inside Canaima National Park (a UNESCO World Heritage Site). It's the highest tepui in the massif and, thanks to a natural rock 'ramp', the only one of the big ones you can walk up. Its summit, isolated for millions of years, holds a unique ecosystem with high endemism: carnivorous plants, dark-colored amphibians and exclusive flora. The Pemón people have lived around it since ancient times and consider it sacred; in their mythology, Roraima is linked to the trunk of a mythical tree whose felling is said to have given rise to the other tepuis and to the waters. The German-British explorer Robert Schomburgk traveled the region in the 19th century, and his accounts - along with those of other explorers - helped make Roraima famous in Europe. In 1884, an expedition led by Everard im Thurn made the first documented ascent to the summit. Those accounts of an inaccessible plateau where a prehistoric world might have survived inspired Sir Arthur Conan Doyle's novel 'The Lost World' (1912). Today Roraima is one of South America's great trekking destinations. The full story is on our history page.
Read the full history ↓Venezuela's largest state: home of the tepuis and Angel Falls — the world's tallest waterfall — of La Gran Sabana and the Pemón people, of Bolívar's Angostura Address, of Orinoco gold, of the Guri dam and the heavy industry of Ciudad Guayana.
Read the history of Bolívar →No exact prices: a scale from $ (budget) to $$$$$ (luxury), with 2-3 options per category.
Origins, formation and what the sources say.
The story of Mount Roraima begins in almost unimaginable time. It's a tepui: a plateau with sheer walls and a flat top, formed of Precambrian sandstone estimated at roughly 1.7 to 2 billion years old. It belongs to the Guiana Shield, one of the oldest and most stable masses of rock on Earth, which originally formed part of the supercontinent Gondwana, long before the Andes or the Atlantic Ocean as we know it existed.
What we see today as an isolated hulk was once part of a vast continuous rock platform. Over geological eras, water and wind erosion wore away that ancient sandstone blanket, carrying off the softer material and leaving only the most resistant blocks standing. Roraima is one of those blocks: an 'island' of extremely old rock rising abruptly more than a thousand meters above the surrounding grasslands, behind almost unassailable walls.
That geology explains everything else: the tepui's overwhelming shape, its character as an inaccessible fortress, and the isolation of its summit over millions of years, which would produce one of the most fascinating natural histories on the planet. Standing on Roraima means, in a sense, standing on the deep past of the Earth: a surface that already existed when life was barely beginning to grow complex.
Long before any European named it, Roraima was part of the world of the Pemón, the Indigenous people of the Carib family who have lived in the Gran Sabana and Venezuelan Guayana since ancient times. For the Pemón, Roraima is not simply a mountain but a sacred place, charged with mythical and spiritual meaning, as all tepuis are: they regard them as dwellings of the spirits.
One of the best-known Pemón myths links Roraima to the origin of the landscape. According to that tradition, the tepui is the trunk of a great mythical tree - a tree that bore every fruit in the world - that was felled; from its fall came the waters (the rivers and waterfalls of the region) and, in some versions, the other tepuis. Roraima thus occupies a central place in the Pemón account of how the world came to be as it is.
The name 'Roraima' itself comes from the Pemón language, and is usually connected with ideas of water, abundance or the blue-green color of the rock, though its exact etymology is debated. This sacred dimension isn't a footnote: it explains why the climb up Roraima must be made today with Pemón guides and with respect, and why truly understanding the tepui means knowing the perspective of those who have revered it for centuries.
Roraima's most extraordinary feature, from a natural history point of view, is what happened on its summit over millions of years of isolation. Cut off from the world below by sheer walls more than a thousand meters high, exposed to a climate of constant rain and mist and to poor, acidic soils, Roraima's top became an ecological island where evolution followed its own path, quite unlike that of the lowlands around it.
The result is a high degree of endemism: numerous plant and animal species that live on the summit of Roraima (or of a handful of tepuis) and exist nowhere else on Earth. Among them are carnivorous plants, which trap insects to make up for the poverty of the soil; bromeliads and other plants adapted to the extreme habitat; and singular animals such as a small endemic black frog, slow-moving, which has become a symbol of tepui fauna. All of it in a setting of sculpted rock, crystal-clear pools and fields of quartz crystals.
This character of a separate biological world is one of the great scientific values of Roraima and of the tepuis in general, and one of the reasons the whole area is protected as a World Heritage Site within Canaima National Park. For travelers it means that walking the summit is moving through a unique and fragile ecosystem that has to be treated with the utmost care: take no crystals or plants, leave no rubbish, disturb nothing in this delicate lost world that took eons to form.
During the 19th century, the remote Guayana region, with its inaccessible tepuis and overwhelming nature, began to attract European explorers and naturalists fascinated by its geographical mysteries. Among them, a key figure in Roraima's fame was the German-born explorer and naturalist in British service Robert Hermann Schomburgk, who traveled the area in the 1830s on a commission from the Royal Geographical Society.
Schomburgk described Roraima and its surroundings, and his accounts and those of other explorers helped spread across Europe the image of this colossal sheer-walled plateau rising unreachable above the grasslands. The idea of a fortress-mountain whose summit no one had set foot on, wrapped in mist and cut off from the world, captured the Victorian imagination, hungry for exploration and unknown territory.
For decades Roraima was considered practically unassailable: its vertical walls seemed to rule out any ascent. That aura of inaccessibility, fed by explorers' accounts, turned the tepui into an obsession for adventurers and scientists, who wondered what might lie on its hidden summit. The question would be answered before the century was out, when an expedition finally reached the top.
Roraima's great riddle - how to climb a plateau with apparently unassailable vertical walls - was solved in 1884. That year an expedition led by the British explorer Everard im Thurn, together with Harry Perkins, made the first documented ascent to Roraima's summit. The key to their success was finding and using the 'ramp': a natural rock ledge, sloping upward, that runs up the tepui's wall and allows you to walk to the top without any vertical climbing.
That ramp - largely the same one used by treks today - made Roraima an exception among the great tepuis: the only one you can walk up without climbing gear. Im Thurn's ascent was celebrated in European geographical and scientific circles, because at last someone had reached the mythical summit and could describe what was up there: the strange rock landscape, the extraordinary flora, the hidden world of the tepui.
The expedition's observations on the summit's singular nature fed the fascination with Roraima still further. What had been pure speculation for decades - what is up there? - became a scientific account, though no less astonishing for that. Roraima was no longer unreachable, but its aura as a world apart, far from fading, only grew stronger.
Roraima's fame took a decisive leap when it jumped from geography to literature. Explorers' accounts of an inaccessible plateau, sealed off from the world by vertical walls, where nature from another era might have survived, captured the imagination of the British writer Sir Arthur Conan Doyle, the creator of Sherlock Holmes. Drawing on those descriptions of the tepuis and the Guayana region, Conan Doyle wrote his famous 1912 novel 'The Lost World', in which a group of explorers climbs a South American plateau and finds on its summit dinosaurs and prehistoric creatures that had survived in isolation from the rest of the planet.
'The Lost World' was an enormous success and fixed forever, in the global popular imagination, the idea of tepuis as refuges of a remote past. Although the novel is fiction - there are no dinosaurs on Roraima - the biological reality of the tepuis, with their endemism and unique species, isn't so far from the fantasy: the summit really does hold life that exists nowhere else. The book in turn inspired countless later films, novels and works set in lost worlds.
Today Mount Roraima is one of South America's great trekking destinations, inside Canaima National Park, a UNESCO World Heritage Site. Every year travelers from around the world walk the route from the savanna to the summit with Pemón guides, to experience for themselves what it is to set foot in the 'lost world'. Conserving this fragile, ancient ecosystem in the face of the region's environmental threats is the great challenge if Roraima is to remain, for a long time yet, what it has always been: a fragment of the Earth's deep past, suspended among the clouds.