To 12 ports; the busiest crossings are to Alvarães (40 minutes, six times a week), Coari (3 hours 50 minutes, six times a week), Fonte Boa (5 hours 45 minutes, six times a week), Codajás (6½ hours, six times a week), Jutaí (9½ hours, six times a week), Manaus (11½ hours, six times a week), Tonantins (12¾ hours, six times a week) and Santo Antônio do Içá (13¾ hours, six times a week).