These caves in Brazil reveal millennia-old formations, underground rivers and experiences that broaden our perception of our landscapes
Submitted at Mar 23, 2026, 6:22 PM
Caverna Morro Preto (Wikimedia Commons/Divulgação)
Caves reveal a kind of landscape that usually doesn’t make it onto the most obvious travel, yet it holds singular experiences! As you cross their entrances, the setting changes completely: the light shifts, sounds are softened, and the perception of space takes on a different scale.
In Brazil, different regions are home to caves open to visitors, with routes that range from easy trails to more immersive explorations. These destinations offer a particular way to discover the country’s beauty, from a more attentive, unhurried perspective. Below, we list seven destinations that are well worth a visit!
In the Alto Ribeira Tourist State Park (PETAR), in Iporanga, more than 350 caves make up one of the most significant speleological complexes in the country. Among them, Morro Preto cave stands out for the grandeur of its entrance, which, right at the start, reveals the scale and power of the natural formations.
Caverna Morro Preto (Luan Alves Chaves/Wikimedia Commons/Divulgação)
The internal route is relatively short — about 100 meters — but enough to understand the scale of the space and its characteristics. The site also bears traces of ancient occupations: evidence indicates that the cave may have been used as a shelter by Indigenous peoples, adding a historical layer to the visit.
Terra Ronca cave, located in Terra Ronca State Park, stands out among Brazilian caves for the scale of its interior spaces. With about 96 meters in height and 120 meters in width in some sections, it feels like traversing a project of monumental proportions.
Caverna Terra Ronca (Caio Ribeiro/Wikimedia Commons/Divulgação)
Inside, the vast chambers are marked by stalactites and stone columns formed over thousands of years. Not by chance, many visitors describe the experience as walking through a scene that seems extraterrestrial.
Also known as the Gruta do Francês, Aroe Jari cave stands out among Brazilian caves as the largest sandstone formation in the country. With predominantly flat terrain, the internal route reveals a sequence of broad spaces, where the presence of water appears in small waterfalls and formations along the way.
Caverna Aroe Jari (Wikimedia Commons/Divulgação)
Right at the entrance, a stream gives rise to a blue-hued lagoon, whose transparency creates a striking visual effect. Throughout the visit, the diversity of natural forms reveals a project that combines scale, silence and subterranean biodiversity.
Caverna do Diabo is one of the country’s best-known, wrapped in narratives that mix curiosity and mystery. The visit consists of a structured route with stairs, walkways and bridges, which allow you to explore about 700 meters of its interior.
Caverna do Diabo (Webysther/Wikimedia Commons/Divulgação)
Along the route, the rocks draw attention for their dimensions and unexpected patterns. Among them, a structure that recalls the shape of a skull stands out: when illuminated, the light creates a reddish effect in the spaces that resemble eyes, building a theatrical atmosphere – and even a little scary!
Poço Azul draws attention for the transparency of its waters and the intensity of its blue tones, revealed in a lake about 16 meters deep. Access is relatively simple, with the possibility of driving close to the entrance, followed by a stairway that leads into the cave.
Poço Azul (Wikimedia Commons/Divulgação)
For those seeking a more immersive experience, it is possible to float or explore the site with a mask and snorkel, observing the submerged details. The incidence of sunlight, especially between February and October, transforms the landscape: at certain times, the rays pass through the cave opening and intensify the blue even more.
Abismo Anhumas offers a radical experience from the outset. That’s because access requires stamina: the entrance is discreet, but it reveals a vertical void that anticipates the scale of the underground space. The descent into the cave is by rappel, over a drop of about 72 meters with no support on the walls.
Abismo Anhumas (Wikimedia Commons/Divulgação)
A lake of crystal-clear water occupies the center of the abyss, allowing activities such as floating with a mask and snorkel. For those who go further, diving reveals submerged limestone formations that reach up to 20 meters in height, creating a silent, immersive project.
Located in Cavernas do Peruaçu National Park, the Gruta do Janelão is the largest cave in the region. With about 4,740 meters in length, its interior is crossed by the Peruaçu River, which follows the route and helps shape the forms over time.
Gruta do Janelão (Wikimedia Commons/Divulgação)
One of the most striking aspects is the large openings in the ceiling, which allow natural light to enter and create illuminated areas that contrast with shadow—little scenes that resemble gardens for the delicacy of their forms. The cave also houses the largest stalactite ever recorded, at approximately 28 meters.
