The brick chimney means hot water: Seoul's vanishing neighborhood bathhouses

You find it by looking up, not down. Above the low tiled rooftops of a residential block, one thing rises higher than it needs to: a brick chimney, square, often painted a fading cream, sometimes with a name spelled down its side in characters the wind has half-erased. That chimney vented a coal boiler for most of a century, and where it still stands, there is usually a mokyoktang (목욕탕) — a neighborhood bathhouse — working below it. Seoul is losing them at the rate of a few a year. The ones that remain are the cheapest, plainest, most local room you can undress in.

Reading the chimney and the sign

The chimney is the long-distance signal; the door is the confirmation. Look for the hot-spring mark, ♨, painted on the glass or hung on a plastic board, and for two words that split the entrance: namtang (남탕), the men's side, and yeotang (여탕), the women's. Older houses carry a single character, 湯, the Sino-Korean word for hot water, and nothing else. None of this is decorative. A place with a sauna lounge you can sleep in is a jjimjilbang (찜질방); a place with only baths is a mokyoktang, and the difference decides what you pay and how long you can stay.

The buildings themselves are unglamorous on purpose. Many sit in the half-basement or second floor of a low commercial block, under a barber's spiral or a real-estate office, with a hand-lettered board listing the hours. That plainness is why they survive: no marketing, a fixed local clientele, rents that a corner shop can carry.

At the counter

You pay first, at a raised counter (카운터) where someone — often the owner, often past seventy — sits with a small television. Entry to a neighborhood bathhouse in Seoul runs roughly 8,000 to 10,000 won in 2026, cash preferred and sometimes cash only, so break a note before you arrive. You are handed a locker key on an elastic coil for your wrist, and sometimes a thin towel the size of a place mat; if not, towels are 1,000 won or you bring your own.

Shoes come off at the entrance and go into a wooden-key locker (신발장) before you ever reach the changing room (탈의실). Inside, you undress completely — swimwear is not worn, and this is not negotiable — and leave everything in the locker. Take only the small towel and, if you have one, your own soap and scrubber.

The water, and the order you meet it

The washing room is tiled floor to ceiling, and one wall almost always carries a painted mountain or a waterfall, cracked at the grout lines. Along the walls sit rows of low taps with a plastic stool (목욕의자) and a basin (바가지) at each. You sit, you soap, you rinse — thoroughly — before you go anywhere near the pools. This is the one rule a visitor most often breaks: the communal baths are for soaking clean bodies, not for washing.

Then the pools, usually three. Ontang (온탕) is the warm one, around 38 to 40 degrees, where people sit and talk. Yeoltang (열탕) is the hot one, 42 and up, entered slowly and left quickly. Naengtang (냉탕) is cold, and you alternate — hot, cold, hot — until your skin stops arguing. Larger houses add a herbal bath, tinted green or brown and smelling of mugwort.

The older men treat the hot pool as a reading room without books: they sit to the chin, say little, and stay long past the point a first-timer can bear.

The scrub

Against one wall stands a vinyl-covered table, and beside it, on a stool, an attendant in dark underwear or shorts — the sesinsa (세신사), the person who scrubs you. Sesin (세신) is the reason many Koreans come at all. You lie on the table, and the attendant works you over with a coarse mitt called an iterit-awol (이태리타월), the green or red "Italy towel" sold in every supermarket for under a thousand won, until grey rolls of dead skin (때, ttae) lift off in visible ribbons. It is not gentle and it is not meant to be.

A full-body scrub costs separately, commonly 15,000 to 25,000 won in Seoul, paid in cash directly to the attendant, not at the front counter. You do not book ahead; you catch the attendant's eye, or the counter tells you to wait your turn. Afterward, most people buy a small glass-bottled Yakult (야쿠르트) or a banana-flavored milk, banana-mat uyu (바나나맛 우유), from the fridge by the counter — the standard 1,500-won coda to a bath, drunk still flushed and half-dressed.

Getting there, and when

You do not travel across the city for a specific mokyoktang; you use the one nearest wherever you are staying, which is the point. Ask your host, or search 목욕탕 on Naver Map or Kakao Map — the ♨ symbol marks them — and pick one within a ten-minute walk. Any older residential district still has them: the hillside neighborhoods below Namsan, the back streets of Mangwon and Mapo, the low blocks east toward Cheongnyangni.

Go early. Many open by 5 or 6 in the morning for people who bathe before work, and empty out by mid-afternoon; evenings fill again after dinner. Most keep one regular closing day a week, the jeonggi-hyuil (정기휴일), posted on the door in Korean only, so read the board or call before you cross town. The single mistake that costs you a trip is confusing the two signs: book a jjimjilbang expecting quiet and you get a family sauna with a snack bar; walk past the plain 湯 over a basement stair, and you miss the last cheap, unhurried bath in the neighborhood.

오래된 동네 목욕탕은 굴뚝을 보고 찾는다.