Witness one of the world's most stunning natural phenomena — where the dark Rio Negro and the sandy-brown Solimões River flow side by side for miles without mixing — aboard a private chartered boat from Manaus.
What to expect
Your private boat leaves Manaus harbour and heads downstream to the famous confluence point, where the black-tea Rio Negro and the café-au-lait Solimões create a visual seam in the water you can lean over the bow and touch. Your guide narrates the ecological and cultural significance of this meeting — a place the indigenous Tupí people considered sacred. You anchor mid-river and swim right on the boundary line, one hand in each river — a story you will tell for the rest of your life. The return journey traces the northern bank of the Rio Negro into a flooded archipelago alive with egrets and macaws.
Good to know
Departs from Manaus. The meeting of the waters is approximately 10 km downstream — allow 3–4 hours total. Confirm swimming conditions seasonally; water levels vary dramatically between wet and dry seasons. Sunscreen, hat, and a waterproof camera are essential.