The Cañas River (Spanish: Río Cañas) is a tributary of the Culebrinas River that flows through the municipality of Aguada in northwestern Puerto Rico.Departamento de Recursos Naturales y Ambientales (DRNA), Gobierno de Puerto Rico. (n.d.). Cuenca del Río Culebrinas. Retrieved September 8, 2025, from https://www.drna.pr.gov/historico/oficinas/saux/secretaria-auxiliar-de-planificacion-integral/planagua/inventario-recursos-de-agua/cuencas-hidrograficas/Cuenca%20del%20Rio%20Culebrinas.pdf

See also List of rivers of Puerto Rico

References

External links USGS Hydrologic Unit Map – Caribbean Region (1974) Rios de Puerto Rico