National Tertiary Route 321, or just Route 321 (Spanish: Ruta Nacional Terciaria 321, or Ruta 321) is a National Road Route of Costa Rica, located in the San José province.

[1] In San José province the route covers Pérez Zeledón canton (El General, Daniel Flores districts).

This article about a road in Costa Rica is a stub.

You can help Wikipedia by expanding it.