Mamoré River
Up until the 19th century, the Wariʼ were present in the Amazon's Southeast, namely the basin of the Lage River (a right-bank-tributary river of the Mamoré River), the Ouro Preto river, the Gruta and Santo André creeks, the Negro river (all tributaries of the lower and middle courses of the right bank of the Pakaa Nova River), and the Ribeirão and Novo rivers (tributaries of the left bank of the Pakaa Nova River).