Obera

The purpose-built circuit outside Oberá, Misiones hosted the Sud-Am Formula 3 Championship on the 1.

The purpose-built circuit outside Oberá, Misiones hosted the Sud-Am Formula 3 Championship on the 1.694-mile Circuito numéro 1 before its demise. The extended 2.722-mile Circuito numéro 2 with new southern loop was added in 2007, and national Argentinian championships are now the highlight.