Its largest tributary is the Madiera, and the (*) Rio Negro connects the Orinoco river to it.
This is the largest river which is not spanned by any bridges, and its source has been confirmed to be the Nevado Mismi. It is connected to a northern counterpart via the Casiquiare canal, the longest bifurcation in the world. Its largest tributary is the Madiera, and the (*) Rio Negro connects the Orinoco river to it. For ten points, what is this South American river, considered by many to be the longest in the world?
This is the largest river which is not spanned by any bridges, and its source has been confirmed to be the Nevado Mismi.
{Amazon} River