Your search "barreirinhas" resulted in 2 Articles
A small town on the Preguica River (Laziness River), its riverside setting and sandy patches gives it a charm of its own. Five buses a day run from São Luís, last one at 6:30 PM, 4 hours, 25 R$. Barreirinhas is a dusty town, it has a main street and a few dirt roads and lots of mango trees .
Lençois Maranhenses is a place you have to see if you go to Brazil. It’s a place you have to see at all because it’s unique and wonderful.