Amazing sand-dunes Lençóis Maranhenses

First time I see the picture of Lençóis Maranhenses National Park (Parque Nacional dos Lençóis Maranhenses) the word amazing is the first word come to my mind. A large white sand dunes spotted with blue and green lagoons, Lençóis is located in Maranhão state the northeastern of Brazil. Phenomenon of Lençóis Maranhenses make people thinking that it is a large white desert because almost no vegetation there but actually it isn't a desert. The blue lagoons are fresh water from the rains, they are collected in the valleys between sand dunes. The laggons fullest between July and September. The lagoons become a inhabitant of variety fish but when the dry season come and the lagoons almost disappear the fishes are died so as people see only tiny fish which living in the fresh water lagoons. 

What sand dunes is?
The meaning sand dune from Wikipedia:
In physical geography, a dune is a hill of sand built either by wind or water flow. Dunes occur in different forms and sizes, formed by interaction with the flow of air or water. Most kinds of dunes are longer on the windward side where the sand is pushed up the dune and have a shorter "slip face" in the lee of the wind. The valley or trough between dunes is called a slack. A "dune field" is an area covered by extensive sand dunes. Large dune fields are known as ergs.
Some coastal areas have one or more sets of dunes running parallel to the shoreline directly inland from the beach. In most cases the dunes are important in protecting the land against potential ravages by storm waves from the sea. Although the most widely distributed dunes are those associated with coastal regions, the largest complexes of dunes are found inland in dry regions and associated with ancient lake or sea beds.
Dunes also form under the action of water flow (alluvial processes), and on sand or gravel beds of rivers, estuaries and the sea-bed.
The modern word "dune" came into English from French circa 1790. In ancient times, words cognate to "dune" probably had the meaning of a built-up hill or citadel fortification.

The form/shapes of sand dunes:
  • Crescentic
  • Linear
  • Star
  • Dome
  • Parabolic
  • Longitudinal (Seif) dunes
  • Reversing dunes

Then talk about Lençóis Maranhenses National Park, although it is very amazingly beauty but if you want to visit there you have to think some important point. Lençóis Maranhenses National Park is protected area, although it is included in national park but actually it is like desert so it is not recommended for:
1. who don't like desert
2. who don't like hot temperature
3. who afraid with sun shine
4. who like shopping than go adventure in the nature
5. who want to drive their own motor vehicle, because it is protected area so only agencies will bring you for tour

Those not recommended list should make you understand that this amazing place not for shopping, it is protected area so don't hope you can buy new arival branded label here. hahaha... Whatever this place is amazing and who love nature will put this place in their must visit place list. Best time to visit is May-September, surely after the rain and before the lake dry out. To get lower temperature, you may visit just after sun rise.
Here are other photos of Lençóis Maranhenses

Image credit to


  1. Great! Thanks for sharing the information. That is very helpful for increasing my knowledge in this field.
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