| Country: | CRI |
| Type: | Secondary |
| Route: | 231 |
| Map Custom: | yes --> |
| Direction A: | NORTH/SOUTH/EAST/WEST? |
| Direction B: | NORTH/SOUTH/EAST/WEST? |
| Terminus B: | --> |
| Provinces: | Cartago |
| Length Km: | 4.750 |
| Length Round: | 2 |
| Previous Type: | RNS |
| Previous Route: | 230 |
| Next Type: | RNS |
| Next Route: | 232 |
National Secondary Route 231, or just Route 231 (es|Ruta Nacional Secundaria 231, or Spanish; Castilian: Ruta 231) is a National Road Route of Costa Rica, located in the Cartago province.[1]
In Cartago province the route covers Cartago canton (Oriental, Aguacaliente districts).