The 2007 Campeonato Argentino de Rugby was won by the selection of the U.R.B.A. (Buenos Aires) that beat in the final the selection of Unión de Rugby de Tucumàn The 24 teams participating were divided in two levels : "Campeonato" (8 teams), "Ascenso", (16 teams, divided in four pools)
Team participating divided in due pools of 4. The first two of each pool admitted to semifinals, the last to play-out for relegation ("Finale descenso")
16 teams, divided in 4 pools. Le winner of each pool to the semifinals