Explore details about location Calle Los Rios. Calle Los Rios is a location situated within the Cacao alongside other areas such as Calle J Lloveras, Calle F Velez, Calle D Vargas. Additionally, some smaller parts of Calle Los Rios include specific areas like Calle F Mercado, PR-478, Calle Vega adding to the diversity of its landscape.