such is the importance of lagoas in rio de janeiro state, that an entire portion of the region is actually called 'região dos lagos', or lakes' region.

this area is just outside rio de janeiro, in the direction of famous vacation spots such as búzios and cabo frio, and it is blessed with some of the most beautiful inland water formations of brazil.

the largest lagoon in the região dos lagos, and in fact, the largest permanent hyper saline lagoon in the world, the colossal lagoa de araruama has an insurmountable surface area of 220 kilometers squared, and is one of the true marvels of the state.