We started with a crossing of 4x4-bib transport in ferry across the Preguiças River and we follow a trail, passing through vegetation (approx. 1 hour) until the beginning of the Lençóis National Park Maranhenses. After rising approx. 85m of dune we will have a panoramic view of dunes and lagoons, including Lagoa Bonita. Walk and visit the lagoons. Morning hours: 8:30 am Return: Approx :. 12:30 Afternoon hours: Departure: 2:30 pm Return: After sunset Tour Includes: Guide, and transfer Barreirinhas - National Park dos Lençóis Maranhenses - Barreirinhas.