Río Calle-Calle is a river located in the southern part of Chile, specifically in the Los Ríos Region. It flows through the city of Valdivia and is known for its scenic beauty and ecological importance. The river is approximately 40 kilometers long and serves as a vital waterway for the surrounding communities. The river's basin is home to diverse flora and fauna, making it an important habitat for various species. Additionally, Río Calle-Calle is a popular spot for recreational activities such as kayaking and fishing, attracting both locals and tourists who enjoy its natural surroundings.