steam bath; cauldron bath
A traditional Japanese steam bath where water (often brine) is heated in a cauldron-like structure. Similar to 蒸し風呂 (mushiburo).
See also: 蒸し風呂 (むしぶろ)
Traditional cauldron baths sometimes use brine.
I took a steam bath at the inn and my body warmed up nicely.
蒸し風呂 is a general term for a steam bath, while 釜風呂 specifically refers to a bath heated by a cauldron-like structure, often using brine.
Standard kanji spelling; 釜 means 'kettle' or 'cauldron', reflecting the traditional bath structure.
Alternate kanji using 竈 (kamado, 'cooking stove'); less common but attested.
A compound of 釜 and 風呂, named for the cauldron-like form of this traditional steam bath.