| Country: | CRI |
| Type: | Secondary |
| Route: | 109 |
| Map Custom: | yes --> |
| Direction A: | NORTH/SOUTH/EAST/WEST? |
| Direction B: | NORTH/SOUTH/EAST/WEST? |
| Terminus B: | --> |
| Provinces: | San José |
| Length Km: | 3.355 |
| Length Round: | 2 |
| Previous Type: | RNS |
| Previous Route: | 108 |
| Next Type: | RNS |
| Next Route: | 110 |
National Secondary Route 109, or just Route 109 (Spanish; Castilian: Ruta Nacional Secundaria 109, or Spanish; Castilian: Ruta 109) is a National Road Route of Costa Rica, located in the San José province.[1]
In San José province the route covers Goicoechea canton (Calle Blancos district), Moravia canton (San Vicente district).