The snorkeling tours are the main highlight of the Brazilian capital of ecotourism, it is one of the best destinations in Brazil and in the world to have this kind of experience. The waters in the region of the Serra da Bodoquena are extremely clear, there are several river sources and an enchanting underwater life, filled with colorful fish and plants.
A doline (gelogical formation resulting from the dissolution and/or the collapse of the ground, forming a big cavity) that reached the water table, which has extremely clear water, and surrounded by trees. That already makes the Lagoa Misteriosa highly coveted by people looking for a itinerary with places of exuberant and singular nature.
This certainly is one of the factors that make the experience of getting to know Bonito so charming and it contributes a lot to the city doing justice to its name. The reason for the phenomenon is the high concentration of limestone (calcium carbonate) in the water. Limestone has a property of calcificating any solid that is in the water, making it heavier, so it naturally concentrates on the bottom of the river.