Cruce del Rio Negro
From Openwaterpedia
Natación Cruce del Rio Negro is a 3.5 km open water swim held in the Río Negro on 2 March 2019 in San Gregorio de Polanco, Uruguay. It is one of the World's Top 100 River Swims.
San Gregorio de Polanco[edit]
San Gregorio de Polanco is a small city in the Tacuarembó Department of northern-central Uruguay.