Hyosimchung Spa is Asia's largest nourished hot spring spa. It is located about 10 kilometers north of downtown Busan. It has a range of facilities that can accommodate 3,000 guests on five floors, and is known to have been bathed by kings. Shella, which has developed today into an urban complex of 4,300 square meters with 4 million visits annually. The current building was completed in 1991. Its facilities include hot, lukewarm and cold baths, fountains, saunas (including an igloo cooled to 0°C) and mud baths. Massage and exfoliation facilities and exercise rooms.