Rangeland in regions too dry to support a forest, but not dry enough to be a desert. Pampas are the fertile South American lowlands that include the Argentine provinces of Buenos Aires, La Pampa, Santa Fe, Entre Ríos and Córdoba, most of Uruguay, and the State of Rio Grande do Sul, in the southernmost end of Brazil covering more than . These vast plains are only interrupted by the low Ventana and Tandil hills near Bahía Blanca and Tandil (Argentina), with a height of and respectively. The climate is mild, with precipitation of to , more or less evenly distributed through
Argentina–Uruguay relations Fray Bentos, Paysandú and Salto). Uruguay has an embassy in Buenos Aires and 2 general consulates (in Córdoba and Rosario), 3 consulates (in Colón, Concordia and Gualeguaychú), 2 honorary consulates (in Mendoza and Neuquén). Both countries were founding members of the Mercosur. Both countries are full members of the Group of 77, of the Rio Group, of the Latin American Integration Association, of the Association of Spanish Language Academies, of the Organization of American States, of the Organization of Ibero-American States, of the Union of South American Nations, and of the Cairns Group. Uruguay in 2009 maintained its policy of