Devin is a climatic treatment and balneology resort of international fame. It is located about 40 km northwest of Smolyan and 103 km from Plovdiv. Its mineral waters (local and from the Bedenski mineral baths) are suitable for the prophylaxis and treatment of diseases of the loco-motor system and the nervous system, of gynecological, liver and other diseases. The Devin natural mineral water, extensively used for drinking, is ecologically pure. Apart from the wealth of its mineral waters, Devin is also known for its exceptionally healthy climate.