Ganban'yoku
Ganban'yoku is the Japanese term for a popular form of hot stone spa. It is said to have originated in Japan.
Body-sized stones, such as granite, are heated into the floor. Bathers lie clothed on the stones while their bodies gradually heat up. Wikipedia
People also ask
岩盤浴とサウナ、どちらがいいですか?
岩盤浴とは何か?効果は?
岩盤浴は週に何回くらい入ればいいですか?
岩盤浴 下に何着る?
岩盤浴(がんばんよく)とは、湿度が高く室温40度程度の部屋で、温められた石の上に横になり、岩盤から発する遠赤外線などの温熱効果を得る入浴方法で、汗をかく。