The most fascinating, easily accessible destination along the Rio Negro is the Arquipélago de Anavilhanas. The second-largest freshwater archipelago in the world, it boasts upwards of 400 islands. During the dry season, many of them are fringed with beautiful white sands beaches. If you don’t mind sharing with flocks of wild birds, you’ll have them completely to yourself. Should you want to go swimming, you’ll very likely share the warm waters with schools of friendly pink dolphins.
Getting here on your own is fairly easy. A boat ride to the town of Novo Airão (located in the middle of the archipelago) is about a day’s journey (eight hours) from Manaus [1]. You can also take a bus (six hours) from the rodoviária.
Links:
[1] http://www.moon.com/destinations/brazil/the-amazon/amazonas/manaus