If there’s a natural spectacle that deserves to be witnessed at least once in a lifetime, it’s the majestic meeting of the waters of the Negro and Solimões rivers in the Amazon. This wonder of nature is one of the highlights of any trip to the Amazon region and an experience that will certainly be etched in the memory of those who witness it.
As we venture further into the river, a unique phenomenon begins to unfold before our eyes. Suddenly, the dark and calm waters of the Rio Negro meet the muddy and turbulent waters of the Rio Solimões. It’s as if two different worlds come together and embrace in a magical dance.
Why does this phenomenon happen?
The contrast between the dark waters of the Rio Negro, rich in humic acids from decomposing organic matter, and the muddy waters of the Rio Solimões, laden with sediments from the Andes mountains, is truly impressive. These waters flow side by side for about 6 kilometers without mixing, creating a natural border visible to the naked eye.
This natural spectacle is not only a visual marvel but also an intriguing scientific phenomenon. Differences in temperature, velocity, and density between the waters of the two rivers are responsible for maintaining this separation for such a long time. The Rio Negro flows at near 2 km/h (1.2 mph) at a temperature of 28 °C (82 °F), while the Rio Solimões flows between 4 and 6 km/h (2.5–3.7 mph) at a temperature of 22 °C (72 °F).
In addition to the unique beauty of the meeting of the waters, this region of the Amazon is also a paradise for wildlife enthusiasts. During the boat ride, you can spot an impressive variety of animals, such as exotic birds, sloths, dolphins, and even alligators.
How to visit the Meeting of the Waters?
In Manaus, capital of Amazonas state, you’ll find boat cruises to this main atraction. From the floating port right in the heart of Manaus, you can hop on a boat and cruise on over. We include these tour in our Amazon packages, so you can relax knowing that we’ve taken care of the bookings for you.
When to visit?
The meeting of the waters of the Rio Negro and Rio Solimões in the Amazon can be visited year-round, but there are certain times of the year that may offer better conditions or specific experiences:
Dry Season (June to November): During the dry season, which typically lasts from June to November, water levels in the Amazon Basin are lower, resulting in a more pronounced contrast between the dark waters of the Rio Negro and the muddy waters of the Rio Solimões. This makes for a particularly striking visual spectacle at the meeting of the waters. Additionally, lower water levels may make it easier to navigate smaller tributaries and explore the surrounding areas.
Wet Season (December to May): In contrast, the wet season, which spans from December to May, brings higher water levels and increased rainfall to the region. While this may obscure the contrast between the two rivers somewhat, it can also offer unique opportunities for wildlife watching and exploring flooded forests. The wet season is also a time of abundant fruiting trees and increased bird activity, making it ideal for birdwatching enthusiasts.
In Conclusion
If you’re planning a trip to the Amazon, be sure to include the meeting of the waters in your itinerary. It’s a unique experience that will certainly be etched in your memory forever, providing moments of awe and connection with the wild nature of the world’s largest tropical rainforest. Come explore the Amazon with us at Brazil On Foot and discover the magic of the meeting of the waters!
