High Quality Content by WIKIPEDIA articles! The Xambre River is a river of Paraná state in southern Brazil. Paraná is one of the states of Brazil, located in the South of the country, bordered on the north by São Paulo state, on the east by the Atlantic Ocean, on the south by Santa Catarina state and the Misiones Province of Argentina, and on the west by Mato Grosso do Sul and the republic of Paraguay, with the Paraná River as its western boundary line. Cut by the Tropic of Capricorn, Paraná has what is left of the araucaria forest, one of the most important subtropical forests of the world.