National Route 121 is a national road in Argentina, running East in Corrientes. In its 8.3 kilometres (5 mi) paved length, it joins Km 683 marker of National Route 14, near the town of Santo Tomé and the Puente de la Integración ("Integration Bridge") of 1,403 metres (4,603 ft) over the Uruguay River crossing the border into Brazil to the town of São Borja.
- km 2.2: access to Santo Tomé
- km 5.3: toll booth
- km 5.5: border crossing and immigration booth
- km 7.6: international bridge
The road was built in 1997 by the Mercovias company along with the international bridge in a 25-year public lease.
- This article incorporates information from the revision as of August 2007 of the equivalent article on the Spanish Wikipedia.