Booked here
The short visit
Both circuits in a day
- NightsAt least a couple
- HighlightSunset at Lagoa Bonita
- EffortModerate
Pick-for-me guide
Is Lencois Maranhenses worth visiting, and when is it not?
The quick version
Lencois Maranhenses is worth visiting if you come in the wet months and can spare a couple of nights, because nowhere else lets you swim in rainwater lagoons between white dunes; late in the dry season, with little time, it may not repay the long road in.
Verdict essentials
Two questions, a straight answer
Should the dunes be on this trip?
Say when you travel and how much time you have, and we show the plan that makes the long road worth it.
Your top pick
The combo day
from $90
Both lagoon circuits and the sunset, the classic day for a short stay.
Your top pick
Add the river to Cabure
from $61
With more nights, a 7-hour boat day shows mangroves, a lighthouse and the coast.
Your top pick
The combo day, eyes open
from $90
Outside the full months the tour adapts its route to the lagoons that hold water.
Your top pick
Private car to Parnaiba
from $287
An 8-hour private transfer between Barreirinhas and Parnaiba on the Route of Emotions.
An honest look at the white dunes of Maranhao: what makes them unlike anywhere else, the long road in, the months that make or break the lagoons and who should save the trip for later.
Editorial team, lencoismaranhensestour.quest · Updated November 11, 2026 · ~7 min read
Basics
- Yes, ifYou come when the lagoons are full: from May, says the park plan, after rains that begin in January.1,2
- UniqueUNESCO added the park to its World Heritage list in 2024.3
- The costOur combo day on both lagoon circuits costs from $90.
- The journeySao Luis to Barreirinhas is a drive of 3 hours.4
- Free parkThere is no entry fee at the national park.5
What makes the white dunes unlike anywhere else
Dune fields are usually dry places. This one fills with fresh water. In the words of the state tourism office, its white dunes rise as high as 40 meters and run some 50 km back from the shore, and the rainy months from January to July leave countless lagoons of blue and green between them.6,2 Swimming in clear rainwater in the hollow between ridges of sand is the reason to cross Brazil to get here.
The park is also where several landscapes meet. ICMBio counts the Cerrado, the Caatinga and the Amazon among the influences on its coastal setting, a band of dunes and freshwater lagoons that also shelters mangrove and restinga.7 Stand at the top of the Lagoa Bonita dunes and you see the contrast at once, with water and sand ahead and the green scrub of the cerrado at your back.8
The world has noticed. The park dates from a federal decree of 1981 that made it a fully protected area, and in 2024 UNESCO recognized it as a natural World Heritage site.9,3 ICMBio puts its size at 156,608.16 hectares, so the circuits sold in Barreirinhas cover only a small corner of a much larger wilderness.3
Weighing it up
What you gain and what it costs you
| Factor | In its favor | Against it |
|---|---|---|
| Scenery | Dunes with rainwater lagoons2 | Lagoons drop in dry months |
| Status | UNESCO World Heritage3 | Some circuits lie far out14 |
| Cost | No park entry fee5 | Transfers add to the bill |
| Access | Daily buses from Sao Luis15 | A travel day each way4 |
| Effort | Short walk at Lagoa Azul16 | Good fitness needed overall17 |
| Guides | Licensed by the park18 | Several list Portuguese only |
Each point traced to the park, the state tourism office or a listing; weigh them against your own trip.18
What you will not see, and when
The answer to the question depends on the calendar more than anything else. Our combo listing splits the year in half: wet from about January to June, dry from July to December, with the lagoons at their fullest for roughly 4 months, and the exact pattern varying from one year to the next. Come at the wrong end of the dry months and some basins will be shallow or empty.
The park authority is candid about how changeable the scene is. On the Lagoa Azul circuit, it says, lagoons form and fade as rain falls, wind blows and the sand moves on.12 Visitors a year apart can describe what sounds like different parks. That uncertainty is part of the magic, but it is also why a photograph from April is a poor promise for November, and why flexible dates are worth more here than almost anywhere.
Even in the driest months the park does not go completely dry. SETUR-MA singles out Lagoa da Gaivota, close to Santo Amaro, as the biggest lagoon in the park and one that holds water all year.13 Our combo listing says that outside the full months its tours switch to whichever routes and lagoons suit the conditions best, which is worth confirming when you book.
The road time
Hours on the road around the park
- To Parnaiba by car8
- Sao Luis transfer4.5
- Return by van4
- Sao Luis by car3
Times from the listings and the state tourism office.4
The journey in, honestly measured
The Lencois Maranhenses is not on the way to anywhere. The park authority lists Sao Luis and Parnaiba as the airports closest to it, and from Sao Luis the road runs on the BR-135 as far as Bacabeira before continuing on the MA-402.10,20 The state tourism office allows 3 hours for the drive to Barreirinhas and notes a daily bus service from the city terminal.4,15
A shared micro bus from Sao Luis to Barreirinhas takes 4.5 hours and starts from $47, and at 282 reviews it carries the longest review record of any product we looked at for this park. Its rating of 3.8 is modest, so expect a functional ride rather than a pleasant one. With a family or a group, a private car on the same road starts from $265.
Add it up and the park costs a travel day at each end, which is the real price of a visit, more than any tour fare. If you have only a week in Brazil and mainly want beaches, a coast closer to your arrival airport will give you more for less travel. If you have time and want something you have truly never seen before, the road to Barreirinhas is worth every bump.
By length of stay
Short, medium and long visits
Second day
The river add-on
Mangroves and the coast
- Length7 hours
- HighlightsLighthouse, river, sea
- EffortEasy
Third day
The Atins day
Lagoons and a village
- Length8 hours
- GuidePortuguese, English, Spanish
- EffortModerate
Lencois Maranhenses tourism, in practice
Lencois Maranhenses tourism runs through a pair of gateway towns. The state tourism office names Barreirinhas on the eastern side and Santo Amaro on the western, each with agencies selling tours to the nearest and largest lagoons.24 Barreirinhas, on the banks of the Rio Preguicas, is the main base and the quicker one to reach from Sao Luis, with hotels, guesthouses and an eco resort.25,26
Everything inside the park runs through licensed hands. ICMBio allows visitors in only with accredited vehicles, drivers and guides, and no private car may ferry visitors around inside.27 Entry itself costs nothing; the agencies charge for their own services.5 You will not drive yourself to a lagoon here, and that is part of the reason the dunes still look untouched.
The rules shape the mood too. Alcohol may not be sold, carried or drunk in the park, fires and barbecues are banned, and pets stay at home.22,28,29 If your idea of a perfect beach day involves a cooler of beer and loud music, this is not that place. If it involves silence, wind, clear water and footprints that the breeze erases within the hour, it very much is.
Cost it up
What the trip costs for your party
Pick your party size and add up the tour and the road in.
Compare 4 choices
What the trip costs for your party
Pick your party size and add up the tour and the road in.
- The combo dayBoth circuits · for each guest from $90
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View - Sao Luis transfer4.5 hours · for each guest from $47
≈
View - River to Cabure7 hours · for each guest from $61
≈
View - Van back to Sao Luis4 hours · for each guest from $45
≈
View
From-prices on GetYourGuide, shown at the ECB reference rate. Your exact price is confirmed during booking.
A first visit
From the airport to the dunes and on
Arrival
Fly into Sao Luis
The airport the park lists alongside Parnaiba.10
Same day
Road to Barreirinhas
About 3 hours by car, or a shared transfer.4
First full day
Both lagoon circuits
Lagoa Azul, a restaurant stop and Lagoa Bonita.
Evening
Sunset on the dunes
The combo day closes with the light going down at Bonita.
Next day
River or Atins
A boat day to Cabure, or a day in Atins.
Onward
Toward Jericoacoara
Across the Parnaiba Delta on the Route of Emotions.11
Lencois or Jericoacoara, or both?
The two are often weighed against each other, and the official answer is that they connect. ICMBio places the park on the Rota das Emocoes, the Route of Emotions, a tourist route joining highlights of the Ceara, Piaui and Maranhao coasts.30 It describes reaching the dunes that way from Jericoacoara, crossing the Parnaiba Delta and following the MA-315, the eco road that joins Paulino Neves to Barreirinhas.11
In practice, a Lencois Maranhenses tour with Jericoacoara means a long overland journey between them. A private car from Barreirinhas to Parnaiba, the delta town on that route, takes 8 hours and starts from $287, though it has no reviews yet. Parnaiba also has an airport close to the park, which makes it a natural place to begin or end the trip in the other direction.10
Which to choose if you can only do one? Jericoacoara is a beach village with dunes beside it; the Lencois is a dune park with lagoons inside it. If swimming in rainwater among white dunes is the dream, the Lencois has no substitute. If you want a lively beach town with the dunes as a backdrop, Jericoacoara suits better. With enough time, you can do both.
Video
Inside the Lencois Maranhenses National Park in northeast Brazil
Live By Travel on YouTube · Your tap on play is what loads the video.
An alternative way to reach the Lencois Maranhenses National Park is to travel the Route of Emotions from Jericoacoara, passing through the Parnaiba Delta and taking the MA-315, the eco road that links Paulino Neves and Barreirinhas.
Before you decide
Suits, does not suit, bring
It suits3
It may not suit3
Who will love it, and who should wait
You will love the Lencois if you are comfortable walking on soft sand in strong sun. The state office expects tour-goers to be in good shape, and it recommends sunscreen, swimwear and light clothing along with drinking water all day.17,23 Families with children who like to swim, photographers and anyone who enjoys wild places will find the day hard to beat.
Think twice if heat is a problem for you or if walking on sand is hard. The park authority cautions that people lose their way in the dunes easily and that phones often find no signal there, and the state office wants every tour led by a local guide for that reason.31,32 There is little shade on the dunes, and Lagoa Bonita's wooden steps climb straight into the sand rather than around it.33
Language can be a quiet frustration. Portuguese is the only language listed for the guide on our combo day and on several cheaper lagoon days. The scenery needs no translation, but if explanations matter to you, choose a listing with an English-speaking guide or pay for a private day, and the stories about fish, rain and sand will reach you whole.
How many days it deserves
A couple of nights is the minimum that makes the journey worthwhile: one full day on both lagoon circuits, ending with the sunset at Lagoa Bonita, and a spare half day in case of rain or a late arrival. Our combo day costs from $90 and gathers the classic sights into a single outing, which is why it is the one we book for you.
A few more nights let you add the river. The trip downriver to Cabure takes 7 hours from $61 and shows mangroves, a lighthouse and the coast. Atins, by the river mouth and right at the park boundary, is the place for slower days of kitesurfing, kayaking, horse riding and surfing, and a good spot to stay a night or more.34,35
A week opens the wilder side. The walk across the park from Atins to Santo Amaro goes through the Primitive Zone and can stretch to 5 days, sleeping in the communities on the way.36,37 It is the deepest way to know the park, and the hardest. Whichever length suits you, the page on bases compares Barreirinhas, Atins and Santo Amaro side by side.
FAQ
Fast answers to common questions.
Is Lencois Maranhenses worth visiting?
When is it not worth going?
Late in the dry season.
Our combo listing puts the dry months from July to December, when the water drops.
How far is the park from Sao Luis by road?
3 hours to Barreirinhas.
The state tourism office allows 3 hours by car; the shared transfer takes 4.5 hours.4
Do I need to pay to enter the park?
No, entry is free.
ICMBio takes no visitor fee; the agencies charge only for their tours.5
Can I combine it with Jericoacoara?
Yes, on the Route of Emotions.
ICMBio describes the overland route from Jericoacoara across the Parnaiba Delta on the MA-315.11
How many days should I spend there?
A couple of nights at least.
A day for both lagoon circuits and the sunset, plus spare time for weather and the river.
Sources
- ICMBio (Instituto Chico Mendes de Conservacao da Biodiversidade) - Public Use Plan (PDF, via the MMA national register) · Plano de Uso Publico do Parque Nacional dos Lencois Maranhenses (2022) ↩
- SETUR-MA, the Maranhao state tourism secretariat (turismo.ma.gov.br) · Parques Nacionais - Patrimonio Natural ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Parque Nacional dos Lencois Maranhenses ↩
- SETUR-MA, the Maranhao state tourism secretariat (turismo.ma.gov.br) · Parques Nacionais - Patrimonio Natural ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Orientacoes ao Visitante (visitor guidance and rules) ↩
- SETUR-MA, the Maranhao state tourism secretariat (turismo.ma.gov.br) · Parques Nacionais - Patrimonio Natural ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Parque Nacional dos Lencois Maranhenses ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Municipio Barreirinhas (Polo Lagoas and Polo Atins) ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Parque Nacional dos Lencois Maranhenses ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Orientacoes ao Visitante (visitor guidance and rules) ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Orientacoes ao Visitante (visitor guidance and rules) ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Municipio Barreirinhas (Polo Lagoas and Polo Atins) ↩
- SETUR-MA, the Maranhao state tourism secretariat (turismo.ma.gov.br) · Parques Nacionais - Patrimonio Natural ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Municipio Barreirinhas (Polo Lagoas and Polo Atins) ↩
- SETUR-MA, the Maranhao state tourism secretariat (turismo.ma.gov.br) · Parques Nacionais - Patrimonio Natural ↩
- SETUR-MA, the Maranhao state tourism secretariat (turismo.ma.gov.br) · Parques Nacionais - Patrimonio Natural ↩
- SETUR-MA, the Maranhao state tourism secretariat (turismo.ma.gov.br) · Parques Nacionais - Patrimonio Natural ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Municipio Barreirinhas (Polo Lagoas and Polo Atins) ↩
- NASA Earth Observatory · The Paradox of Lencois Maranhenses National Park
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Orientacoes ao Visitante (visitor guidance and rules) ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Orientacoes ao Visitante (visitor guidance and rules) ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Orientacoes ao Visitante (visitor guidance and rules) ↩
- SETUR-MA, the Maranhao state tourism secretariat (turismo.ma.gov.br) · Parques Nacionais - Patrimonio Natural ↩
- SETUR-MA, the Maranhao state tourism secretariat (turismo.ma.gov.br) · Parques Nacionais - Patrimonio Natural ↩
- SETUR-MA, the Maranhao state tourism secretariat (turismo.ma.gov.br) · Parques Nacionais - Patrimonio Natural ↩
- SETUR-MA, the Maranhao state tourism secretariat (turismo.ma.gov.br) · Parques Nacionais - Patrimonio Natural ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Orientacoes ao Visitante (visitor guidance and rules) ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Orientacoes ao Visitante (visitor guidance and rules) ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Orientacoes ao Visitante (visitor guidance and rules) ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Orientacoes ao Visitante (visitor guidance and rules) ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Polo Oasis ↩
- SETUR-MA, the Maranhao state tourism secretariat (turismo.ma.gov.br) · Parques Nacionais - Patrimonio Natural ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Municipio Barreirinhas (Polo Lagoas and Polo Atins) ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Municipio Barreirinhas (Polo Lagoas and Polo Atins) ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Municipio Barreirinhas (Polo Lagoas and Polo Atins) ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Trekking - Travessia dos Lencois ↩
- ICMBio, Instituto Chico Mendes de Conservacao da Biodiversidade, the federal park authority (gov.br/icmbio) · Polo Oasis ↩
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