| Country: | CRI |
| Type: | Secondary |
| Route: | 103 |
| Map Custom: | yes --> |
| Direction A: | NORTH/SOUTH/EAST/WEST? |
| Direction B: | NORTH/SOUTH/EAST/WEST? |
| Terminus B: | --> |
| Provinces: | Heredia |
| Length Km: | 3.700 |
| Length Round: | 2 |
| Previous Type: | RNS |
| Previous Route: | 102 |
| Next Type: | RNS |
| Next Route: | 104 |
National Secondary Route 103, or just Route 103 (Spanish; Castilian: Ruta Nacional Secundaria 103, or Spanish; Castilian: Ruta 103) is a National Road Route of Costa Rica, located in the Heredia province.[1]
In Heredia province the route covers Heredia canton (Ulloa district), Santo Domingo canton (Santo Domingo, Santa Rosa districts).