| Country: | CRI |
| Type: | Tertiary |
| Route: | 405 |
| Map Custom: | yes --> |
| Direction A: | NORTH/SOUTH/EAST/WEST? |
| Direction B: | NORTH/SOUTH/EAST/WEST? |
| Terminus B: | --> |
| Provinces: | Cartago |
| Length Km: | 14.210 |
| Length Round: | 2 |
| Previous Type: | RNT |
| Previous Route: | 404 |
| Next Type: | RNT |
| Next Route: | 406 |
National Tertiary Route 405, or just Route 405 (es|Ruta Nacional Terciaria 405, or Spanish; Castilian: Ruta 405) is a National Road Route of Costa Rica, located in the Cartago province.[1]
In Cartago province the route covers Cartago canton (Aguacaliente, Dulce Nombre districts), Paraíso canton (Orosi district).