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Lagoa do Cassó: A Hidden Oasis in Maranhão

Discover Lagoa do Cassó: Maranhão's hidden paradise with crystal-clear waters, tranquil beaches, and unforgettable natural beauty.

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Lagoa do Cassó, a stunning lagoon in Primeira Cruz, Maranhão, offers an escape into nature with its clear waters and tranquil atmosphere. Known as the 'Pérola dos Lençóis' (Pearl of Lençóis) , it's a refreshing retreat about 217 km from São Luís.

A brief summary to Lagoa do Cassó

  • Primeira Cruz, State of Maranhão, BR

Local tips

  • A 4x4 vehicle is highly recommended to reach the lagoon due to sandy and challenging road conditions.
  • Visit during the rainy season (approximately December to May) to see the lagoon at its fullest and experience its connection to the Preguiças River.
  • Consider staying at a local pousada for a more immersive experience and to easily access the lagoon.
  • Book tours and transportation in advance, especially during peak season, to ensure availability.
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Getting There

  • Driving

    From São Luís, take the BR-135 highway, then the MA-402 towards Primeira Cruz. Upon arriving in Primeira Cruz, the final 22 km to Lagoa do Cassó requires a 4x4 vehicle due to the sandy terrain. Car rentals in São Luís typically range from R$80 to R$200 per day. Parking near the lagoon is usually free, but limited.

  • Public Transport

    Take a bus from São Luís to Primeira Cruz. যাত্রাFrom Primeira Cruz, hire a local 4x4 транспорт to cover the final 22 km to Lagoa do Cassó. যাত্রাBus fare from São Luís to Primeira Cruz ranges from R$420 to R$500. A 4x4 transport can cost around R$150-R$300 depending on negotiation and group size.

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Discover more about Lagoa do Cassó

Lagoa do Cassó is a hidden gem nestled in the municipality of Primeira Cruz, approximately 217 km from São Luís, the capital of Maranhão. This stunning lagoon is known for its crystal-clear, warm waters and tranquil setting, making it a perfect destination for nature lovers and those seeking a peaceful escape. The lagoon stretches for about 6 kilometers and reaches depths of up to 20 meters during the rainy season. At this time, it connects with the Preguiças River, which also flows through Barreirinhas and the Lençóis Maranhenses. The surrounding native forest adds to the lagoon's beauty, attracting visitors for swimming, diving, windsurfing, kayaking, and canoeing. Hiking trails are also available for those who want to explore the area on foot. The small village of Cassó, with approximately 700 residents, is located near the lagoon. Since 2015, Lagoa do Cassó has hosted the Maranhense Open Water Circuit, a swimming competition for both professionals and amateurs. Participants swim nearly the entire length of the lagoon, about 5 kilometers. To reach Lagoa do Cassó, travelers typically drive from São Luís via the BR-135 highway, passing through Bacabeira, and then take the MA-402 highway through Rosário and Morros towards Barreirinhas until reaching Primeira Cruz. From Primeira Cruz, a 4x4 vehicle is necessary to navigate the sandy roads to the lagoon. Several pousadas (inns) and restaurants offer support for tourists.

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