A 300 m trail leads to the entrance of the cavern that is Bonito's visitor card. It is worth
climbing down the  298 steps contemplating the cave and  the Lago Azul, Due to its size, it is considered
 one of the largest flooded cavities on the planet.  The lake is more than 90 m deep. Far away from visitors eyes, there  are the pre-historic saber tooth tiger fossils  and a giant sloth. Mandatory use of tennis shoes and mask.

Duration: 1 h 30 min.

Distance: 20 km