Río Rosario

Río Rosario
Río Rosario in 1898
Location
CommonwealthPuerto Rico
MunicipalityHormigueros
Physical characteristics
Source 
  coordinates18°07′46″N 67°08′00″W / 18.1294025°N 67.1332351°W / 18.1294025; -67.1332351
  elevation23 ft.

The Río Rosario is a river of Maricao, Hormigueros, San Germán and Mayagüez in Puerto Rico.

Skirmishes were fought here during the Spanish-American War.