Lençóis Maranhenses National Park
Barreirinhas, Maranhão, Brazil
Lençóis Maranhenses is a UNESCO World Heritage Site in northeastern Brazil where vast white sand dunes meet thousands of turquoise lagoons. The lagoons are rain-fed and…
What it's like here
Lençóis Maranhenses is a UNESCO World Heritage Site in northeastern Brazil where vast white sand dunes meet thousands of turquoise lagoons. The lagoons are rain-fed and freshwater, filling the landscape between the dunes in a phenomenon unique enough to feel otherworldly. It's one of the most visually striking places on Earth—the kind of landscape that stops you mid-thought.
The park is accessed from the town of Barreirinhas, and a guide is required for entry. Most visits involve 4x4 vehicles to navigate the dunes, which means you're out exploring for a full day rather than making a quick stop. The silence here is striking: just wind, sand, water, and the occasional bird. There's no busy infrastructure or crowds demanding your attention—it's genuinely vast and quiet.
The lagoons themselves are safe to swim in, and the water is startlingly clear. Photography is permitted, and the landscape rewards it handsomely. Whether you're visiting in the peak season when the lagoons are at their fullest or in the off-season when the park shifts into a different kind of desert beauty, there's something compelling about standing among these dunes.
Highlights
- Thousands of freshwater turquoise lagoons nestled between white sand dunes
- UNESCO World Heritage Site status
- Safe for swimming in the crystal-clear lagoon water
- Accessible via 4x4 vehicle tours from Barreirinhas
- Best visited June to September when lagoons are fullest
Good to know
The best time to visit is June through September, when the lagoons are full after the rainy season. Access is via 4x4 vehicles from Barreirinhas, and a guide is required for entry into the park. Bring substantial water, strong sunscreen, and sun protection—there's little shade on the dunes. São Luís is the nearest major airport and is connected to Barreirinhas by bus or transfer services.
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Questions people ask
When is the best time to see the lagoons?
Between June and September, when the lagoons are full following the rainy season from January to June.
How do I reach Lençóis Maranhenses?
Fly to São Luís, the closest major airport, then take a bus or transfer to Barreirinhas, which is the main gateway to the park.
Can you swim in the lagoons?
Yes, the lagoons are freshwater and safe for swimming, offering a unique experience among the dunes.
Attributes & facilities
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Last verified: August 23, 2026