Guaira Falls

Sete Quedas (Guaira Falls) on the Rio Parana, is in dispute; two short sections of boundary with Uruguay are in dispute - Arroio Invernada

The 1994 CIA World Factbook United States. Central Intelligence Agency

Paraguay, just west of Salto das Sete Quedas (Guaira Falls) on the

The 1996 CIA Factbook United States. Central Intelligence Agency

International disputes: short section of the boundary with Brazil, just west of Salto del Guaira (Guaira Falls) on the Rio Parana, has not been determined

The 1996 CIA Factbook United States. Central Intelligence Agency

International disputes: short section of the boundary with Brazil, just west of Salto del Guaira (Guaira Falls) on the Rio Parana, has not been determined

The 1995 CIA World Factbook United States. Central Intelligence Agency

International disputes: short section of the boundary with Paraguay, just west of Salto das Sete Quedas (Guaira Falls) on the Rio Parana, is in dispute; two short sections of boundary with Uruguay are in dispute - Arroio Invernada (Arroyo de la Invernada) area of the Rio

The 1995 CIA World Factbook United States. Central Intelligence Agency

International Disputes: unruly region at convergence of Argentina-Brazil-Paraguay borders is locus of money laundering, smuggling, arms and illegal narcotics trafficking, and fundraising for extremist organizations; uncontested boundary dispute with Uruguay over Isla Brasilera at the confluence of the Quarai/Cuareim RiverCuareim and Invernada rivers, that form a tripoint with Argentina; the Itaipú Dam reservoir covers over a once contested section of Brazil-Paraguay boundary west of Guaira Falls on the Rio Parana; an accord placed the long-disputed Isla Suárez/Ilha de Guajará-Mirim, a fluvial island on the Río Mamoré, under Bolivian administration in 1958, but sovereignty remains in dispute

Brazil 2009