Riacho Frio is a municipality in the state of Piauí in the Northeast region of Brazil.[2][3][4][5]
Riacho Frio | |
|---|---|
Municipality | |
| Country |  Brazil |
| Region | Nordeste |
| State | Piauí |
| Mesoregion | Sudoeste Piauiense |
| Population (2020 [1]) | |
| • Total | 4,309 |
| Time zone | UTC−3 (BRT) |
10°07′30″S 44°57′10″W / 10.125°S 44.9528°W / -10.125; -44.9528