First visit: March 1998 Subsequent visit: October 2009, December 2010. Places visited (this page): Salta, Jujuy, Tucuman, Catamarca, Santiago de Estero, Corrientes, Resistencia, Formosa, Colon.
This page focuses on the northern provinces of this lovely country. Many vast expanses here, friendly people and generally likable, if unremarkable, towns. Certainly worth a visit.
Highlight: Colon in Entre Rios actually makes the cut as one of my favourite places in the whole world.