Duna do Pôr do Sol is a popular sand dune located in Lençóis Maranhenses National Park, Brazil. It is renowned for its stunning sunsets, where visitors can witness the sun setting over the vast expanse of white sand and blue lagoons. The dune is easily accessible and attracts both tourists and locals seeking a picturesque view. The area surrounding Duna do Pôr do Sol features unique landscapes formed by rainwater-filled lagoons and shifting sands. This natural wonder is part of a larger ecosystem that supports diverse flora and fauna, making it a significant destination for nature lovers and photographers alike.