Porretta Terme is a town of the Reno Valley Tuscan-Emilian Apennines, a frazione of the comune of Alto Reno Terme, Emilia-Romagna. Porretta Terme is located about 60 kilometres south-west of Bologna. Known since Roman times for its thermal springs, it is also a center for winter sports thanks to the nearby resorts of Corno alle Scale, Abetone, Monte Cimone. It was a separate comune until January 2016, when it merged with Granaglione to form the new comune of Alto Reno Terme.