The dark coffee - colored waters of the Negro River and the muddy waters of the Solimões meet and flow side by side without mixing for approximately six miles [10 km].
Air Sungai Negro yang berwarna kecokelat - cokelatan dan air Sungai Solimões yang berlumpur bertemu dan mengalir bersisi - sisian tanpa bercampur baur sepanjang hampir sepuluh kilometer.