The best option to get to Lencois National Park is to reach the capital of Maranhão first. From there, you can book tours or take public transportation to the town of Barreirinhas which is located just outside the national park.
Parc national des cavernes du Peruaçu
Pour vous rendre au parc national Cavernas do Peruaçu, vous devez louer une voiture à l'aéroport le plus proche de Montes Claros.