Brazil

Lencois Maranhenses: A Desert of Dunes and Lagoons

A surreal landscape of vast white sand dunes dotted with crystal-clear turquoise lagoons, unlike anywhere else on Earth.

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About Lencois Maranhenses National Park

Lencois Maranhenses National Park, whose name translates to 'bedsheets', describes the park's vast expanse of rolling white sand dunes that, from a distance, resemble rumpled linen stretching to the horizon. Despite its desert-like appearance, the park receives significant seasonal rainfall, which collects between the dunes to form thousands of crystal-clear, strikingly turquoise and emerald lagoons, particularly abundant and swimmable between roughly June and September each year.

The park's most famous lagoon, Lagoa Azul, offers idyllic swimming amid the surrounding white dunes, while other notable lagoons such as Lagoa Bonita are particularly beautiful at sunset. Access to the park typically involves a 4x4 vehicle journey from the nearby town of Barreirinhas, followed by a walk across the dunes to reach the lagoons, making this one of Brazil's more adventurous and remote natural attractions.

Why Visit Lencois Maranhenses National Park?

A Surreal Desert-and-Lagoon Landscape

Vast white sand dunes unlike anywhere else on Earth.

Crystal-Clear Turquoise Lagoons

Thousands form seasonally between the dunes.

Lagoa Azul's Idyllic Swimming

The park's most famous and photogenic lagoon.

A Striking Seasonal Phenomenon

Lagoons at their fullest and most swimmable June to September.

A Genuinely Remote Adventure

Reached by 4x4 and a walk across the dunes.

Local story

Good to Know

Lencois Maranhenses suits families, couples, groups and adventure seekers, for a stay of 2 to 3 days based from the nearby town of Barreirinhas. The lagoons are at their fullest and most swimmable roughly between June and September, drying up significantly during the rest of the year.

Visiting with an experienced local guide is strongly recommended, both for navigating the dune field safely and for reaching the most scenic and swimmable lagoons efficiently.

How to Reach Lencois Maranhenses National Park

  1. 01

    Pakistan to Sao Paulo

    Fly from Islamabad, Lahore or Karachi to Sao Paulo, usually with connections through a European or Middle Eastern hub. Check current routes, visa requirements and book early.

  2. 02

    Sao Paulo to Sao Luis

    Take a direct domestic flight, about 3 hours, to this gateway city.

  3. 03

    Sao Luis to Barreirinhas

    Take a road transfer, about 4 hours, to this base town for the park.

  4. 04

    Explore

    Take a 4x4 into the dune field, then walk to the lagoons with your guide.

Things to Do in Lencois Maranhenses National Park

01

Swim in Lagoa Azul

Enjoy this famous, idyllic turquoise lagoon amid the dunes.

02

Walk Across the White Dunes

Explore the park's surreal, rolling desert-like landscape.

03

Visit Lagoa Bonita at Sunset

See this particularly beautiful lagoon in evening light.

04

Take a 4x4 Dune Tour

Explore the wider park with an experienced local guide.

05

Photograph the Dunes and Lagoons

Capture this unique contrast of desert and water.

06

Take a Boat Trip Along the Preguicas River

See the surrounding mangroves and coastal scenery nearby.

Best Time to Visit Lencois Maranhenses National Park

Excellent

Peak Lagoon Season

June to September

Lagoons at their fullest and most swimmable, the best time to visit.

Recommended season
Good

Shoulder Months

May and October

Lagoons still present, though somewhat reduced compared to peak season.

Good time to visit
Good

Dry Months

November to April

Many lagoons dried up, though the dune scenery remains dramatic.

Good time to visit

Travel smart

Travel Tips for Lencois Maranhenses National Park

A few useful things to know before you go there.

  1. Visit June to September

    The lagoons are at their fullest and most swimmable during this period.

  2. Hire an Experienced Local Guide

    Essential for navigating the dune field safely and efficiently.

  3. Bring Sun Protection

    The dune field offers no shade whatsoever.

  4. Bring Swimwear

    Essential for enjoying the park's famous lagoons.

  5. Wear Suitable Footwear for Sand

    Sandals or water shoes work well for walking the dunes.

  6. Bring Plenty of Water

    Especially important given the exposed, hot conditions.

  7. Carry Cash

    Useful in Barreirinhas and for smaller tour operators.

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Location

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Lencois Maranhenses National Park

Brazil

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Frequently Asked Questions

It is a national park in northeastern Brazil famous for its vast white sand dunes dotted with seasonal turquoise lagoons.

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