To 12 ports; the busiest crossings are to Fonte Boa (2 hours 40 minutes, six times a week), Tonantins (3 hours 10 minutes, six times a week), Santo Antônio do Içá (4 hours 5 minutes, six times a week), Amaturá (5 hours 55 minutes, six times a week), Alvarães (6¾ hours, six times a week), Tefé (7½ hours, six times a week), São Paulo de Olivença (7¾ hours, six times a week) and Coari (11¾ hours, six times a week).