Barreirinhas
Barreirinhas  | |
|---|---|
Municipality  | |
Typical street in the town (2024)  | |
| Coordinates: 2°45′S 42°50′W / 2.750°S 42.833°W | |
| Country | Brazil | 
| Region | Nordeste | 
| State | Maranhão | 
| Mesoregion | Norte Maranhense | 
| Population  (2020 )  | |
 • Total  | 63,217 | 
| Time zone | UTC−3 (BRT) | 
Barreirinhas is a municipality in the state of Maranhão in the Northeast region of Brazil.
The municipality contains part of the 1,535,310 hectares (3,793,800 acres) Upaon-Açu/Miritiba/Alto Preguiças Environmental Protection Area, created in 1992.
Barreirinhas is the starting point for most trips to the Lençóis Maranhenses National Park.