Lake Villarrica, located in the Araucania region of Chile, has an area of 176 km. and an elliptical form.
There is only one uninhabited island called Aillaquillén and it has a maximum of 300 meters in diameter. Its island is represented as historical heritage in the coat of arms of the city of Villarrica.
The temperature on the surface reaches a range of 19 to 22 degrees Celsius in summer, which allows practicing various sports. In winter it fluctuates between 9 and 10 C, which facilitates the evacuation and cleaning of its waters. However, in the last winter temperature records have registered between 13 ° and 14 ° C during the months of June, July and August, which is a clear sign of the progressive climate change in the area.