Onsen in Japan are natural hot spring baths filled with mineral-rich water heated by volcanic activity. Unlike ordinary baths, onsen represent a unique cultural experience shaped by centuries of tradition, seasonal beauty, and etiquette. This beginner-friendly guide explains what an onsen is, how it differs from a public bath (sento), why hot springs became central to Japanese life, and what first-time visitors should know before entering.   What Is an Onsen? An onsen is a natural hot spring bath defined by geothermal water that meets specific mineral and temperature standards under Japanese law. Under Japanese law, water qualifies as “onsen” if it meets at least one of the following conditions: It naturally rises at 25°C (77°F) or hotter It contains a legally defined level of minerals or other geothermal components For centuries, people in Japan have visited onsen for healing, relaxation, and community bonding. Today, they remain one of the most iconic cultural experiences in the country — welcoming locals and travelers alike.   The Difference Between Onsen and Sento Although both are places for bathing, onsen and sento are not the same: Onsen: Natural geothermal hot spring water containing minerals. Sento: Public bathhouse using heated tap water, often decorated with murals. Both require similar etiquette, but the water sources and cultural purposes differ.   Why Are There So Many Onsen in Japan? Japan sits on active volcanic zones, which is why the country has more than 3,000 onsen areas nationwide. Because of this volcanic geology, thousands of natural hot springs form across the archipelago, ...

Japan’s best onsen destinations combine volcanic mineral waters, regional bathing traditions, and seasonal scenery that changes dramatically throughout the year. In this guide, you’ll discover some of the most iconic hot spring towns in Japan, what makes each region special, how onsen water types differ, and practical tips for choosing the right onsen experience for your trip. From sulfur-rich baths in Gunma to gold-colored springs in Hyogo, these destinations represent the heart of Japan’s bathing culture and its deep connection to nature.   Kusatsu Onsen (Gunma) – Japan’s Most Famous Sulfur Springs Kusatsu Onsen is consistently ranked among Japan’s top hot springs. Its water is naturally acidic and rich in sulfur, giving it a strong, distinctive onsen character that many visitors remember long after their trip. Because the mineral content is so noticeable, Kusatsu is often described as a “powerful” soak—especially compared with gentler spring types found elsewhere. It’s a great choice if you want an onsen town that feels classic, iconic, and unmistakably volcanic. Why It’s Special Yubatake (hot water field) in the center of town Strong sulfur aroma and milky-white water Traditional yumomi cooling performance by local attendants   Hakone Onsen (Kanagawa) – Easy Access From Tokyo One of the most convenient destinations for travelers, Hakone offers multiple onsen areas with a wide range of water types. Hotels and ryokan in this region often feature outdoor baths with views of forests, valleys, or Mount Fuji, making Hakone a great “first onsen trip” option—especially if you’re short on time. Why It’s Special Just 1–1.5 ...

Kagami Biraki is a Japanese New Year custom in which people eat kagami mochi that has been offered to the New Year deity. By consuming the mochi believed to hold divine blessings, people wish for health and good fortune, quietly marking the end of the New Year season.   What Is Kagami Biraki? Kagami Biraki is the custom of eating kagami mochi that was displayed during the New Year period. The mochi is first offered to Toshigami, the deity believed to visit households at the start of the year. After the New Year celebrations end, the mochi is taken down and eaten to receive the deity’s power and wish for health, safety, and happiness throughout the year. It is not simply a matter of food preparation. Eating the mochi completes the New Year ritual.   When Does Kagami Biraki Take Place? In most regions of Japan, Kagami Biraki is observed on January 11, though the date can vary by region and tradition. New Year decorations are removed Ordinary routines have resumed The festive period has clearly ended Kagami Biraki marks this transition in a quiet, symbolic way.   Why Is It Called “Opening” Instead of “Breaking”? Although the hardened mochi must be physically broken, the act is traditionally described as “opening,” not “breaking.” In Japanese culture, words carry symbolic weight, and negative expressions are often avoided in rituals. For this reason: “Breaking” can sound unlucky or destructive “Opening” suggests harmony, continuity, and good fortune The choice of words reflects a belief that language itself shapes ...

The Japanese tea ceremony is a traditional cultural practice that blends Zen philosophy, hospitality, and mindful ritual. Each step—from preparing the tearoom to whisking matcha—expresses harmony, respect, purity, and tranquility.  This guide explains the meaning behind the ceremony, key concepts like wabi-sabi and ichigo ichie, and how the host’s hospitality (omotenashi) shapes the entire experience.  The Japanese tea ceremony is a traditional ritual of preparing and serving matcha, rooted in Zen Buddhism and centered on harmony, respect, purity, and tranquility, expressed through deliberate actions and sincere hospitality.  What Is the Japanese Tea Ceremony? Known as chanoyu, sado, or chado, the Japanese tea ceremony is far more than drinking tea. It is a complete cultural experience shaped by aesthetics, philosophy, and human connection. Every gesture—bowing, cleansing utensils, whisking matcha—carries meaning. Tea masters describe it as “a moment of peace shared between host and guest.”   Origins and Philosophy The roots of the tea ceremony lie in Zen Buddhism. In the 16th century, Sen no Rikyū refined it into the form we know today, emphasizing: Simplicity — removing excess to reveal beauty. Mindfulness — acting with full attention. Humility — valuing sincerity over luxury. Two philosophical ideas continue to influence Japanese aesthetics: Wabi-sabi Finding beauty in imperfection, weathered textures, and natural simplicity. Ichigo ichie “One time, one meeting” — the belief that every encounter is unique and unrepeatable.   Omotenashi: The Heart of Japanese Hospitality At its core, the tea ceremony is an act of omotenashi—a form of hospitality rooted in sincerity, thoughtfulness, and attention to detail. ...

Tattoos & onsen in Japan is a topic surrounded by misunderstandings. Some visitors fear they will be rejected, while many Japanese are unsure how tattoos are viewed today. In reality, foreign tattoos are rarely a problem—but the historical context behind Japanese tattoos still influences onsen rules. This guide explains everything visitors need to know: why restrictions exist, how tattoos are perceived culturally, and practical ways to enjoy a hot spring even if you have tattoos. What This Article Covers (Quick Summary) Why some onsen restrict tattoos How Japanese people perceive tattoos today The difference between Japanese tattoos and foreign tattoos How to enter an onsen with tattoos Regional differences in tattoo acceptance How to find tattoo-friendly onsen FAQs answered clearly and practically What Are Japan’s Tattoo Rules in Onsens? Japan’s tattoo rules in onsens are traditional guidelines that restrict visible tattoos because of their historical association with crime—not because of foreigners. Most facilities use a simple “no tattoos” sign because they cannot judge each guest individually. However, this rule was never aimed at tourists, and attitudes continue to change. Why Tattoos Are Restricted in Some Onsen Historical Roots: Tattoos as Criminal Marks In the Edo period (1603–1868), tattoos were used as a punishment to mark criminals. This historical association remained deeply embedded in Japanese culture long after the practice ended. As a result, tattoos became a symbol of rebellion or law-breaking.   Modern Era: Organized Crime and Large Japanese Tattoos During the 20th century, large full-back tattoos—irezumi—became associated with organized crime groups. This led many ...