Kusatsu Onsen Smoking Guide 2026 — Where You Can Smoke Around Yubatake, Sainokawara Park & Yutaki Street
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Table of contents
Where is Kusatsu Onsen?
Kusatsu Onsen is a hot-spring town in Agatsuma District, Gunma Prefecture, ranked among the "Three Great Hot Springs of Japan." The Kusatsu Onsen Tourism Association reports natural hot-spring outflow exceeding 32,300 litres per minute — the highest single-source outflow in Japan (source: https://www.kusatsu-onsen.ne.jp/). The town's symbolic centre is the Yubatake ("hot water field") in the middle of the resort, around which a network of pedestrian streets — Sainokawara-dori, Yutaki-dori, Yuji Plaza, Takishita-dori — concentrates restaurants, souvenir shops and public bathhouses (Goza-no-Yu, Otaki-no-Yu, Chiyo-no-Yu). The town draws over 3 million visitors annually (Kusatsu Town statistics). Google Search Console data shows "草津温泉 喫煙所" (Kusatsu Onsen smoking area) at 48.9% click-through rate as of May 2026 — clear evidence that visitors actively look for smoking-spot information.
The baseline rule: Japan's outdoor smoking duty under the 2020 Health Promotion Act
Article 27 of the revised Health Promotion Act, in force since 1 April 2020, requires anyone smoking — indoors or out — to "give consideration to the surrounding situation so as not to cause unwanted second-hand smoke" (source: https://www.mhlw.go.jp/stf/seisakunitsuite/bunya/0000189195.html). This is a national duty without an attached fine, but it sits on top of any prefectural / municipal by-laws.
Many Japanese cities additionally enforce "Street Smoking Prohibited Zones" with on-the-spot fines of around JPY 1,000–2,000. As of May 2026, no equivalent by-law covering the Yubatake area has been identified in publicly available materials from Gunma Prefecture (tobacco control: https://www.pref.gunma.jp/01/d2310019.html) or Kusatsu Town. That does not, however, exempt visitors from the outdoor consideration duty — and bad smoking manners directly damage the reputation of one of Japan's most famous onsen resorts.
Practical places to smoke in Kusatsu Onsen
1) Outdoor smoking spaces at your ryokan or hotel
Major ryokan and hotels in Kusatsu Onsen — including Nakazawa Village, Hotel Sakurai, Hotel Ichii, Yujuku Toki-no-Niwa, Naraya, Konoha, Yumotokan and others — typically provide a designated outdoor smoking space near the entrance or a dedicated indoor smoking room. Confirm at check-in.
2) Ashtrays near the Kusatsu Onsen Bus Terminal / Tourism Association office
The Kusatsu Onsen Bus Terminal, which adjoins the tourism association's information centre and sits within easy walking distance of the Yubatake, often has ashtrays positioned at the edge of the public space. Placement varies by season (especially during the ski season when winter visitor flow changes), so check the on-site pictograms or ask at the tourism association office.
3) Outdoor terrace seating at restaurants and souvenir shops
The revised Health Promotion Act bans smoking inside restaurants (with very narrow exceptions) but outdoor terraces are outside the indoor ban, so each venue may choose to operate a smoking-permitted terrace. Check the pictogram at the entrance or ask staff: "Is the terrace smoking-OK?"
4) Use the MottoSuitai Kusatsu Onsen area hub
The MottoSuitai area landing page "Kusatsu Onsen Smoking Areas (Map)" plots user-submitted smoking-spot pins on a map. Checking it before you arrive avoids the "I cannot find an ashtray anywhere near Yubatake" frustration. Data is updated continuously.
Onsen-town specific etiquette
The Yubatake is encircled by a narrow stone-paved promenade that concentrates pedestrian traffic, including many overseas visitors from Taiwan, Hong Kong, Thailand, China, Korea and Western countries. Walking while smoking on such a narrow path forces second-hand smoke onto strangers — a clear violation of the Health Promotion Act's outdoor consideration duty. Strong cigarette odour mingling with the hot-spring steam also degrades the lodging experience and, if posted on social media, damages the broader Kusatsu Onsen brand. The rule: walk to a designated smoking spot, then dispose of the butt only in a portable ashtray or an official ashtray.
Heated tobacco (IQOS, glo, Ploom)
Under the revised Health Promotion Act, heated tobacco devices are regulated like combustible cigarettes. Some Kusatsu ryokan and hotels provide heated-tobacco-only smoking rooms — confirm at check-in. The same outdoor consideration duty applies in the onsen town: avoid using them where many people gather.
Official sources
■ Kusatsu Town official: https://www.town.kusatsu.gunma.jp/ ■ Kusatsu Onsen Tourism Association: https://www.kusatsu-onsen.ne.jp/ ■ Gunma Prefecture — Passive smoking control: https://www.pref.gunma.jp/01/d2310019.html ■ MHLW — Revised Health Promotion Act: https://www.mhlw.go.jp/stf/seisakunitsuite/bunya/0000189195.html
Frequently Asked Questions
Q.Will I be fined for walking while smoking around Yubatake?
A.As of May 2026, neither Gunma Prefecture nor Kusatsu Town has publicly designated the Yubatake area as a "Street Smoking Prohibited Zone" with on-the-spot fines. However, the revised Health Promotion Act imposes a national outdoor duty to avoid unwanted second-hand smoke, and Yubatake is one of the densest pedestrian zones in Japan's entire onsen network. Always use designated smoking spaces. Check Kusatsu Town (https://www.town.kusatsu.gunma.jp/) for the latest local guidance.
Q.Is there a public ashtray right next to the Yubatake?
A.Whether and where public ashtrays are placed near Yubatake varies with the season and operations, so we cannot give a definitive count in this article. Ask at the Kusatsu Onsen Tourism Association office near Yubatake for current locations on the day you visit, or use the outdoor smoking space at your ryokan / hotel.
Q.Are the rules the same during the winter ski season?
A.Yes. The Health Promotion Act's outdoor consideration duty applies year-round. At Kusatsu Kokusai Ski Resort and town bus stops, burying cigarette butts in snow also counts as littering. We strongly recommend carrying a portable ashtray.
Q.Can I use IQOS, glo or Ploom?
A.Heated tobacco devices are regulated the same way as combustible cigarettes under the revised Health Promotion Act. Use them only in designated heated-tobacco smoking rooms or at designated outdoor smoking points; the outdoor consideration duty applies in the onsen town as well.