Spix and Martius then spent some days at "Fazenda Mandioca" with Grigori Ivanovitch Langsdorff and then went to a fazenda near Rio Paraiba before returning to Rio. A mounted expedition took them on horseback to Itaguaí (13 December 1817) through São Paulo state to the city of São Paulo where they arrived on 31 December 1817. They left on 9 January 1818 for Sorocaba and Itu on to Minas Gerais, then through Camanducaia to cross the Rio Sapucaí for São Gonçalo and Ouro Prêto. On 1 May 1818, they left for Diamantina, Minas Novas and then Montes Claros.