Picture this: you’re soaking in a steaming outdoor onsen, surrounded by snow-capped mountains, when you realize you’re experiencing what could soon be recognized as UNESCO Intangible Cultural Heritage. That’s the ambitious goal driving a nationwide campaign to get Japan’s onsen culture officially inscribed by 2028.
This movement has gained remarkable momentum since 2022, evolving from a grassroots initiative into one of the most unified cultural preservation efforts Japan has seen in recent years. What caught my attention isn’t just the scale of support, but how it could fundamentally change how the world views Japanese hot springs.
The Campaign That United Japan
The numbers tell the story. When 44 out of Japan’s 47 prefectural governors rally behind a single cause, you know something big is happening. Led by Tottori Governor Shinji Hirai, this unprecedented coalition formed in late 2022 with one clear mission: to secure UNESCO recognition for onsen culture as an intangible cultural heritage.
The campaign reached a significant milestone in June 2025 when representatives delivered their proposal to Prime Minister Shigeru Ishiba. By July, industry experts had published a formal recommendation defining onsen culture as “a social custom in Japan of soaking in the gift of nature (hot springs) to heal the mind and body”—a practice they argue is woven into the fabric of Japanese life.
The timeline is ambitious but realistic: formal nomination in 2026, followed by UNESCO evaluation, with a potential inscription decision by 2028. Currently, organizers are pushing toward their goal of collecting one million citizen signatures—a grassroots endorsement that would demonstrate the depth of public support.
Why Onsen Culture Deserves Global Recognition
Having soaked in everything from rustic mountain springs to urban neighborhood sentos, I can attest to what makes Japanese onsen culture genuinely unique. More than the rejuvenating waters that are present in other destinations, it’s the living tradition that spans centuries and continues to evolve.
The cultural depth runs remarkably deep. Ancient legends tell of wounded cranes healing in thermal waters, giving names to springs like Tsuru no Yu in Akita. Samurai warriors once recuperated in these same waters after battles. Today, that therapeutic tradition continues, but it’s expanded into something much more complex.
Japan’s volcanic geography has blessed the country with approximately 3,000 onsen areas, each with its own distinct local customs. In Ibusuki, visitors are buried in naturally heated sand. In Beppu, foods are cooked using hot spring steam in a method called jigoku-mushi. These regional variations showcase how onsen culture has adapted to local conditions while maintaining its essential character.
But perhaps most importantly, onsen culture embodies the Japanese concept of “hadaka no tsukiai” or naked fellowship. In these communal baths, social barriers dissolve. Regular patrons notice when someone’s absent and check on their well-being. It’s community building at its most fundamental level.
On a personal note, experiencing onsen culture has profoundly shifted my relationship with my own body. Growing up in the Philippines, where being naked in public is not the norm, I spent years comparing my physical attributes to those I saw on TV or in magazines. Going to an onsen helped me understand that my body is normal—that bodies come in all shapes and sizes, and should be celebrated for what they can do rather than judged by how they look. There’s something deeply healing about being in a space where everyone is equally vulnerable, equally human.
The spiritual dimension adds another layer. Many onsen sites are associated with Shinto shrines or Buddhist temples, connecting the practice to concepts of purification and renewal. Seasonal onsen experiences—cherry blossoms in spring, autumn leaves reflected in thermal pools—represent the Japanese appreciation for nature’s transient beauty.
Tourism Industry Opportunities and Realities
For tourism professionals, UNESCO recognition represents a massive marketing opportunity. Look at what happened after washoku (traditional Japanese cuisine) was inscribed in 2013. It sparked a global boom in Japanese restaurants and culinary tourism. Finland’s sauna culture inscription in 2020 similarly elevated that country’s wellness tourism profile.
The timing couldn’t be better. Post-pandemic travel has rebounded strongly, and wellness tourism is experiencing unprecedented growth. Being able to market “UNESCO-recognized onsen experiences” would give Japan a unique selling proposition that no other destination can match.
From a strategic perspective, onsen tourism could help solve one of Japan’s biggest challenges: over-concentration of visitors in major cities. Hot springs are geographically dispersed, meaning UNESCO recognition could naturally distribute tourist flows to rural areas that desperately need economic revitalization.
Many onsen towns have struggled with aging populations and business closures. The number of registered onsen resorts dropped from 3,185 in 2010 to 2,934 in 2020. UNESCO status could reverse this trend by attracting investment, visitors, and young workers to these communities.
The Elephant in the Hot Spring: Real Challenges Ahead
But let’s be honest about the obstacles. Even with UNESCO recognition, Japan’s onsen industry faces significant barriers to international tourism growth.
The tattoo ban remains the biggest challenge. Most public onsen and traditional ryokan still prohibit visitors with tattoos, a policy that eliminates a substantial portion of potential international visitors. While some facilities have relaxed these rules or created tattoo-friendly hours, the practice is far from universal. UNESCO recognition won’t magically change these deep-rooted policies overnight.
Language barriers present another hurdle. Onsen etiquette is complex and nuanced. Many facilities lack multilingual signage or staff capable of explaining proper procedures to foreign guests. Cultural misunderstandings can create uncomfortable situations for both visitors and local patrons.
Capacity constraints pose a third challenge. Many historic onsen are small, family-run operations that simply cannot accommodate large tour groups. Increased demand without careful management could strain these delicate environments and potentially damage the very authenticity that makes them special.
There’s also the risk of “theme park-ification”—where authentic cultural practices become performative experiences designed for tourists rather than living traditions practiced by communities. Balancing accessibility with authenticity will require careful planning and strong safeguarding measures.
Learning from Global Examples
Japan isn’t pioneering this approach. Finland’s sauna culture inscription offers valuable lessons. Like onsen in Japan, saunas are integral to Finnish life—3 million saunas for 5.5 million people. UNESCO recognition boosted Finland’s wellness tourism while encouraging preservation of traditional sauna customs.
The key insight from Finland’s success is that UNESCO status works best when it reinforces existing cultural practices rather than creating artificial attractions. Finnish tourism boards promoted authentic sauna experiences rather than commercialized versions, maintaining cultural integrity while attracting visitors.
Japan’s own washoku inscription demonstrates both opportunities and challenges. While it elevated Japanese cuisine globally, it also required ongoing efforts to preserve traditional food knowledge and support local producers. Onsen culture would need similar commitment to safeguarding measures—documenting regional practices, training young practitioners, and protecting natural environments.
Industry Reactions: Cautious Optimism
Tourism professionals across Japan have expressed widespread support tempered by realistic expectations. Naoya Hatazawa, Commissioner of the Japan Tourism Agency, noted that onsen culture appears to meet UNESCO’s key criterion of being “rooted in the life of the entire nation,” comparing it to Finland’s sauna tradition.
Industry associations are fully backing the initiative. The Japan Onsen Association, Japan Ryokan Association, and All Japan Ryokan Hotel Association see UNESCO recognition as validation of their cultural role and a potential solution to economic challenges facing their members.
Internationally, the response has been positive. Travel writers and Japan enthusiasts recognize that onsen culture represents something deeper than a spa experience—it’s a window into Japanese values of community, nature appreciation, and wellness.
However, some voices urge caution. Industry insiders worry about managing increased demand without compromising the intimate, contemplative nature that makes onsen special. There’s concern that international popularity could price out local users or transform authentic experiences into tourist attractions.
What This Means for Travelers
If you’re planning a trip to Japan, don’t wait for UNESCO recognition to explore onsen culture. The best experiences are happening right now in small mountain towns and neighborhood bathhouses where this living tradition continues unchanged.
But start preparing for the changes ahead. By 2028, if the inscription succeeds, onsen destinations will likely see increased international attention, potentially higher prices, and more crowds at popular locations. The smart move for travelers is to explore lesser-known onsen areas before they become mainstream destinations.
For tourism professionals, now is the time to develop onsen-focused products and partnerships. Consider working with facilities that welcome international visitors, invest in staff training for cultural sensitivity, and develop educational materials that help visitors understand and respect onsen etiquette.
The Bigger Picture
Japan’s onsen UNESCO campaign represents more than tourism promotion—it’s about preserving and celebrating a way of life that embodies core Japanese values. In an increasingly connected but fragmented world, the onsen tradition of communal relaxation, seasonal awareness, and respect for nature offers something genuinely valuable.
Whether UNESCO recognition materializes in 2028 or takes longer, this campaign has already succeeded in one crucial way: it’s reminded Japan and the world that some cultural practices are too precious to lose. In our rush toward digital experiences and virtual connections, there’s profound wisdom in a tradition that requires us to slow down, disconnect, and simply soak in the moment.
The question isn’t whether onsen culture deserves recognition—anyone who’s experienced the peaceful contemplation of a mountain hot spring already knows the answer. The question is whether we can preserve its authentic character while sharing it with a world that desperately needs what it offers: community, wellness, and a deeper connection to the natural world.
What do you think about Japan’s onsen UNESCO bid? Have you experienced onsen culture yourself? Share your thoughts and experiences in the comments below.
