Smoking in Karuizawa: 2026 Guide (rules around Karuizawa Station, Kyu-Karuizawa Ginza and the outlet mall)

About this guide and disclaimer

This is a third-party guide compiled from the passive-smoking prevention guidance on the Karuizawa Town official site (https://www.town.karuizawa.lg.jp/), reflecting the situation as of July 2026. Karuizawa consists of several areas — the station area, Kyu-Karuizawa, Naka-Karuizawa, Minami-Karuizawa and Oiwake — with commercial facilities, hotels and villa districts mixed together. Whether an individual private facility has a smoking area is something only that facility's own published information can establish. This article does not assert the existence or location of smoking areas we could not confirm in official primary sources. When you actually go, always confirm the latest information on Karuizawa Town and each facility's official guidance.

Karuizawa's tobacco rules: what we could and could not confirm officially

Some municipalities have a street-smoking ban ordinance and impose an administrative fine (typically 1,000–2,000 JPY) on violators; Chiyoda City and Osaka City are well-known examples. For Karuizawa Town, however, as of July 2026 and as far as we could check on the town official site, we could not find any description of a town ordinance banning street smoking, any fine amount, or any list of designated smoking spots installed and managed by the town.

The fact that we could not confirm it does not mean "there is no ordinance on street smoking in Karuizawa Town." Ordinances and their operation may be revised or newly enacted, and we cannot be sure we have checked every part of the town official site exhaustively. This article avoids stating unconfirmed matters as fact. If you need to know precisely how Karuizawa Town currently handles tobacco, please check the Karuizawa Town official site or contact the responsible town department directly.

On the other hand, there is something the Karuizawa Town official site does state clearly. The town officially advises that, because smoking on the street carries a considerable risk of harming the health of others, people should smoke in designated places such as smoking areas. Whether or not an ordinance bans it, acting in line with this message is the basic stance to take in Karuizawa.

• Confirmed on the town official site: guidance on the revised Health Promotion Act, and the message to "smoke in designated places such as smoking areas"
• Not confirmed on the town official site: a town ordinance banning street smoking, any fine amount, or a list of town-run designated smoking spots
• This article's policy: do not assert unconfirmed matters (neither that an ordinance exists nor that it does not)
• For current handling, check the Karuizawa Town official site or the responsible town department

The revised Health Promotion Act definitely applies in Karuizawa

Regardless of whether a town ordinance exists, what definitely applies throughout Japan including Karuizawa is the revised Health Promotion Act, fully in force since 1 April 2020. The Karuizawa Town official site itself explains this law to residents and businesses. According to the town official description, the Act Partially Amending the Health Promotion Act was promulgated in July 2018; schools, hospitals and government offices became in principle non-smoking on their entire premises from 1 July 2019, and offices, restaurants and similar became in principle non-smoking indoors from 1 April 2020.

• Type 1 facilities (schools, hospitals, child welfare facilities, government offices, etc.): in principle non-smoking on the entire premises
• Type 2 facilities (restaurants, offices, hotels, commercial facilities, etc.): in principle non-smoking indoors
• To smoke, a smoking-dedicated room or a heated-tobacco-only smoking room meeting the standards is required
• Eating and drinking is not allowed in a smoking-dedicated room, but is allowed in a heated-tobacco-only smoking room
• People under 20 may not enter either type of smoking room

Cafés, restaurants and hotels in Karuizawa are all covered by this law. In other words, the framework of "indoors is in principle non-smoking; if you want to smoke, use a smoking room meeting the standards" applies in Karuizawa just as elsewhere. Signage indicating whether smoking is permitted is displayed at entrances, so check before entering.

How to think about finding a place to smoke around Karuizawa Station (Hokuriku Shinkansen / Shinano Railway)

Karuizawa Station, served by the Hokuriku Shinkansen and the Shinano Railway, is the starting point for sightseeing in Karuizawa. The common flow is to arrive by Shinkansen from the Tokyo direction and then head from the station towards Kyu-Karuizawa, or to the outlet mall directly adjacent to the station.

Whether smoking areas are installed inside Karuizawa Station or on the station plaza is something only information published by the railway operator and the facility manager can establish. This article does not assert the location of smoking areas we could not confirm in official primary sources. Note that Shinkansen trains are entirely non-smoking and the onboard smoking rooms have been removed, so you cannot smoke during a long journey. Factor this in before boarding.

In practice, the following order works reliably. First, check in advance on the official site of the hotel where you are staying or the commercial facility you plan to visit whether it has a smoking area. Then, on site, check the in-building signage or ask at the information counter for the location of the smoking area. If you cannot find one, do not smoke outdoors on the street; wait until you can move to a place where smoking is permitted. As the town officially advises, avoid smoking anywhere other than designated places.

At Kyu-Karuizawa Ginza, check facility by facility

Kyu-Karuizawa Ginza (Kyu-Karuizawa Ginza-dori) is the shopping street that represents Karuizawa, and it becomes extremely crowded with pedestrians in season. We could not confirm official primary information on whether public smoking areas are installed along this street. This article does not assert their locations.

Smoking on a crowded shopping street is something to avoid in practice, regardless of whether an ordinance bans it. Article 27 of the revised Health Promotion Act places a duty of consideration on smokers to pay attention to their surroundings so as not to cause unwanted passive smoking. Smoking in the middle of a densely crowded street or near shop entrances runs against the purpose of that duty. When strolling Kyu-Karuizawa Ginza, check the entrance signage of shops along the street for a smoking room, or move away from the street to a place where smoking is permitted.

Note that carrying a portable ashtray does not increase the number of places where you may smoke. A portable ashtray is a tool for taking your butts home; it does not justify smoking in a place where smoking is prohibited or where restraint is requested.

How to think about the outlet mall (Karuizawa Prince Shopping Plaza)

Karuizawa Prince Shopping Plaza, the outlet mall adjacent to the south exit of Karuizawa Station, is one of the most visited facilities in Karuizawa. Whether smoking areas are installed within the facility, and if so where and during what hours, is something only information published by the facility can establish. This article does not assert the existence or location of smoking areas we could not confirm in official primary sources.

At large commercial facilities, smoking area locations are generally shown on the floor guide or on signage within the mall. On arrival, either pick up a floor guide at the information counter or check the floor map on the official site. At open-air malls, smoking areas are sometimes placed at the edge of the site or near the car park, but this varies by facility, so checking on site is the reliable approach.

What matters is to act on the assumption that if a facility does not provide a smoking area, its entire premises are non-smoking. Deciding "I cannot find one, so I will use the car park outside" may run against the facility's management policy. If you cannot confirm a smoking area, asking the facility staff is the most reliable option.

Fire safety and littering in villa and forest areas

Much of Karuizawa Town consists of forest and villa districts, and this is the core of Karuizawa's scenic value. Smoking in areas adjacent to forest carries a distinct problem separate from passive smoking: fire risk. The risk of igniting fallen leaves and undergrowth rises particularly in early spring and from autumn through winter, when the air is dry.

In places adjacent to forest and villa districts, avoid smoking anywhere other than a permitted location with an ashtray provided. Dropping butts on the ground, throwing them into a gutter, or stubbing them out on snow or grass are all practices to avoid because of fire risk. Always put butts in an ashtray, or extinguish them completely in a portable ashtray and take them home.

Karuizawa Town also has the "Karuizawa Town Basic Environment Ordinance," which sets out preserving a rich and comfortable environment and passing it on to future generations. Littering is something to avoid from an environmental standpoint as well. Regarding the specific content of any littering regulations or whether penalties exist, this article does not assert anything beyond what we could confirm. Please check details on the Karuizawa Town official site.

Heated tobacco and e-cigarettes

Under the revised Health Promotion Act, heated tobacco is regulated the same as cigarettes. Indoors is in principle non-smoking, and to use heated tobacco you need a smoking-dedicated room or a heated-tobacco-only smoking room. The difference is that eating and drinking is permitted in a heated-tobacco-only smoking room. An increasing number of restaurants provide this type of room.

Outdoors, it is not appropriate to reason that "heated tobacco is fine on the street" because the vapour is less visible. The Karuizawa Town official message to "smoke in designated places such as smoking areas" does not distinguish between types of tobacco. For heated tobacco products such as IQOS, glo and Ploom as well, use a designated smoking location.

Nicotine-containing e-cigarette liquid is regulated in Japan under the Pharmaceuticals and Medical Devices Act and is not permitted for sale domestically; visitors from abroad should be aware of this in advance. Smoking by people under 20 is prohibited by the Act on Prohibition of Smoking by Persons Under Twenty Years of Age, and entry by people under 20 into smoking-dedicated rooms and heated-tobacco-only smoking rooms is also prohibited under the revised Health Promotion Act.

Find nearby smoking areas with MottoSuitai

If you want to find smoking areas around Karuizawa Station or elsewhere in Nagano, you can list nearby smoking areas from MottoSuitai's map. For another major station in Nagano, see the Matsumoto Station smoking guide, and for Kanazawa, connected by the Hokuriku Shinkansen, the Kanazawa Station smoking guide. Differences in street-smoking rules and fines between municipalities are summarised in the guide to street-smoking fines.

Before you go: always check official information

This third-party guide was compiled from the passive-smoking prevention guidance on the Karuizawa Town official site as of July 2026. The key point of this article is that, because we could not confirm any description of a street-smoking ban ordinance, fines, or town-run designated smoking spots on the Karuizawa Town official site, we do not assert whether they exist. Ordinances and facility operations may change. When you actually go, always confirm the latest information on the Karuizawa Town official site (https://www.town.karuizawa.lg.jp/) and each facility's official guidance.