Gruta do Lago Azul is one of the main postcards of Bonito and impresses with its unique coloring.

The city of Beautiful at the Mato Grosso do Sul It is already a well-known destination for tourists looking for a trip full of paradisiacal landscapes. Nationally, the municipality is known for its postcard, one of the most beautiful crystal clear water pools in Brazil.

Located 20 km from Bonito, the tour through the Blue Lake Grotto impresses visitors with its crystalline waters which, due to the refraction of light and minerals present at the bottom of the lake, have a dazzling bluish color. It's hard to find something like it anywhere else in the world.

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We already talked about the Grotto in the article about 50 destinations with crystal clear waters in Brazil, and without a doubt, this is one of the main destinations of the selection. In addition to its extremely blue waters, the cave also draws the attention of tourists for its history and mysteries. Its dimensions make it one of the largest flooded cavities in the world and its formation dates back millions of years, fossils of prehistoric animals such as the saber-toothed tiger and the giant sloth were found inside the cave. The actual depth of the lake is unknown, 87 meters was the most a diver could reach.

As it was declared a Natural Monument by IPHAN (Instituto do Patrimônio Histórico e Artístico Nacional), access to Blue Lake Grotto is strictly restricted, with the aim of conserving the attraction. Daily, only 305 people can visit the cave, separated into groups of up to 15 people every 20 minutes and swimming is not allowed in the lake. For maximum preservation only photos are allowed. To reach the grotto, it is necessary to walk 300 meters and then a little courage to descend the almost 300 irregular steps (equivalent to a 12-story building) and reach the city's postcard.

For those who want to know the Blue Lake Grotto The ideal is to book in advance, as there may be unavailability depending on the period of your trip. Different local companies operate itineraries in Bonito, they offer different tours to the Gruta do Lago Azul and other travel packages. Visiting the cave is relatively quick and can be easily combined with other activities and city tours.

Photo: Alexandre Lobo

Photo: Fernando Stankuns

Photo: Daniel De Granville

Photo: Alexandre Santana

Photo: Arthur Ring

Photo: Daniel De Granville

» 5 attractions for you to discover in Bonito
» Floating in Bonito, Rio Sucuri natural aquarium
» Bonito, the best ecotourism destination in Brazil
» Places with clear waters to discover in Bonito
» Cute for kids: discover the quietest places in the destination






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