Río Negro
From Openwaterpedia
The Río Negro (Portuguese: Rio Negro; "Black River") is the largest left tributary of the Amazon River, the largest blackwater river in the world (accounting for about 14% of the water in the Amazon basin),[4] and one of the world's ten largest rivers by average discharge.
Open Water Swimming
- It is site of the La Patagones Viedma.
- It is site of the 3.5 km Cruce del Rio Negro held in San Gregorio de Polanco, Uruguay.
- It is the site of the 100 km attempt by Ailen Lascano Micaz in 2021.