Piedra del Águila is a second category municipality and the capital city of Collón Curá Department, located in Neuquén Province, Argentina.
It lies in the western-central part of the province, within the Patagonian region of the country. As the administrative seat of Collón Curá Department, it serves as the local government centre for the surrounding area.
The city is one of several municipalities that make up Neuquén Province, which occupies part of northern Patagonia. Its status as a second category municipality places it within Argentina's formal system of municipal classification.