Onsen etiquette for skiers

There are four rules in a Japanese onsen: wash thoroughly, sitting down, before you get in; no swimwear; the small towel never touches the water; and no swimming. That is genuinely all of it. Bathing is unclothed and gender-separated, and nobody expects a visitor to have known any of this in advance. 42 Japanese ski resorts have an onsen within 1 km of the slopes.

The four rules

  1. Wash first, properly, sitting down. There is a row of low taps with stools and a bucket. You wash and rinse completely there. The bath itself is for soaking in, not for getting clean in — everyone shares that water.
  2. No swimwear. Bathing is unclothed and gender-separated. Leave everything in the basket.
  3. The small towel stays out of the water. You are given a hand towel. It is for washing and for drying off afterwards. In the bath it goes on your head or on the rock beside you — a slightly comic convention that everyone follows.
  4. Don't swim, splash, or put your head under. Long hair goes up.

That is the complete list. English-language travel writing has a habit of presenting onsen as an etiquette minefield where a foreigner will cause offence at every turn. It isn't. It's four rules, and the failure mode is that a seventy-year-old regular will patiently mime the correct sequence at you, which is embarrassing for about four seconds and then over.

Tattoos, honestly

This is the one real barrier, and the advice online is mostly out of date in both directions. Plenty of onsen still turn tattooed bathers away. Plenty of others in ski towns have quietly stopped caring, because a meaningful share of their winter custom is Australian. Neither is universal, and a place that admitted you last season may not this one.

The three workable answers, in order of reliability: book a kashikiri (private bath) and the question never comes up; use a cover-up patch for anything small; or check for an explicit tattoo-friendly policy before you go. Asking at the front desk is normal and not rude.

Public, ryokan, private

Public bathhouses (soto-yu) are run by the village, often for a few hundred yen or a donation box, and are usually the best thing in the town. Our dataset records 297 of them near ski areas. Ryokan onsen belong to the inn and are normally for guests, though many sell day passes. Kashikiri is a private bath booked by the hour — the usual answer for families, mixed groups, and tattoos.

The 42 resorts with a bath within 1 km

ResortPrefectureNearest onsenDistance
Hakuba CortinaNaganoHotel Green Plaza Onsen0.1 km
Tangram Ski CircusNaganoHotel Tangram Onsen0.1 km
NaebaNiigataNaeba Prince Hotel Onsen0.1 km
GALA YuzawaNiigataGALA no Yu (SPA GALA)0.1 km
Akakura KankoNiigataAkakura Kanko Hotel Onsen0.1 km
Lotte Arai ResortNiigataLotte Arai Resort Onsen0.1 km
Kandatsu Snow ResortNiigataKandatsu Kogen Onsen (base lodge)0.1 km
Yuzawa ParkNiigataYuzawa Park Hotel Onsen0.1 km
Hakuba GoryuNaganoJusan-gai no Yu / Escal Plaza baths0.2 km
Seki OnsenNiigataSeki Onsen public bath0.2 km
Mikasayama EsashiHokkaido枝幸温泉0.2 km
Shiga KogenNaganoHotel-based rotenburo (Shiga Kogen)0.3 km
Hakuba Norikura OnsenNaganoRyuo-kaku / Norikura Onsen baths0.3 km
Joetsu KokusaiNiigataHotel Green Plaza Joetsu Onsen0.3 km
Akakura OnsenNiigataGozen-yu (ゴンドラ通り公衆浴場)0.3 km
Yakushi Ski AreaNiigataゆ〜パーク薬師0.3 km
Motai Onsen Ski ResortGifu母袋温泉0.3 km
Tsugaike KogenNaganoTsugaike Onsen Motoyu (栂の湯)0.4 km
Maiko Snow ResortNiigataMaiko Onsen Kanransui0.4 km
Toyotomi Ski AreaHokkaido豊富温泉0.4 km
Shiga Kogen Hoppo Bunadaira Ski AreaNaganoHoppo Onsen0.4 km
Nozawa OnsenNaganoKawahara-yu (河原湯)0.5 km
Madarao KogenNaganoMadarao Kogen Hotel Onsen0.5 km
Sugadaira KogenNaganoSugadaira hotel baths0.5 km
Ikenotaira OnsenNiigataIkenotaira Onsen Koronbo-no-yu0.5 km
Onogawa Onsen Ski AreaYamagataOnogawa Onsen0.5 km
Togari OnsenNaganoTogari Onsen Akarino-yu0.6 km
Takamine Mountain Park Ski AreaNaganoTakamine Onsen0.6 km
Komagane Ski ResortNaganoHayatarō Onsen0.6 km
ChisennupriHokkaidoNiseko Yumoto Onsen0.6 km

Full list: all 149 ski resorts with an onsen nearby.

Common questions

Do you have to be completely naked in an onsen?

Yes. Onsen bathing is unclothed and gender-separated, and swimwear is not permitted in the water. This is unremarkable in Japan and nobody is looking at you. If it genuinely bothers you, book a kashikiri — a private bath you reserve for your own party — which most ryokan offer by the hour.

Can you go in an onsen with tattoos?

Sometimes. Many onsen still refuse tattooed bathers because of the historical association with organised crime, but the rule is loosening, particularly in ski towns used to foreign visitors. Three reliable options: look for onsen advertising themselves as tattoo-friendly, use a cover-up sticker for something small, or book a private kashikiri bath, where the question does not arise.

What is the difference between an onsen and a sento?

An onsen is fed by natural geothermal spring water, legally defined by mineral content and temperature at source. A sento is a public bathhouse using ordinary heated water. Both follow identical etiquette. In ski towns you will mostly find onsen, because the same volcanic geology that makes the mountains also heats the water.

How hot is a Japanese onsen?

Typically 40–44°C, which is hotter than most visitors expect and genuinely uncomfortable for the first minute. Ten to fifteen minutes is a normal soak. Get out if you feel light-headed, and drink water — after a day on the hill you are more dehydrated than you think.

Can you use an onsen after skiing on the same day?

Yes, and it is the entire point. 42 resorts have an onsen within 1 km of the ski area, so you can walk off the last lift and into the bath. Nozawa Onsen has 13 free public soto-yu bathhouses in the village itself.

Figures on this page are computed from the Secret Ski Map dataset and update when the data does. Last reviewed August 2026. Where a number is unknown we leave it out rather than estimate.