To 12 ports; the busiest crossings are to Tabatinga (40 minutes, six times a week), São Paulo de Olivença (3 hours 5 minutes, six times a week), Amaturá (4 hours 35 minutes, six times a week), Santo Antônio do Içá (6 hours, six times a week), Tonantins (6¾ hours, six times a week), Jutaí (9½ hours, six times a week), Fonte Boa (12½ hours, six times a week) and Alvarães (16½ hours, six times a week).