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Top geothermal wonders and volcanic landscapes

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Beppu
Steaming hot springs and colorful Hells
8.1
Beppu produces more hot spring water than almost any other town in Japan. Steam rises constantly from vents scattered across the city's hillsides and streets. Visitors can tour a set of colorful hot spring pools known as the Hells of Beppu. Nearby, bathers can soak in mineral-rich water piped directly from underground sources.
Highlights:
  • 🏖️ Try a traditional sand bath at Beppu Beach Sand Bath
  • 🌋 Watch the spectacular steam vents rise at Umi Jigoku
  • ♨️ Bathe in the famous Beppu hot springs known as “onsen hells”
Oita
Monkeys, hot springs and Otomo history
7.9
Oita prefecture produces the highest volume of hot spring water anywhere in Japan. Beppu, within the prefecture, alone accounts for a large share of the national total. Visitors can tour colorful hot spring pools known locally as the Hells of Beppu. Nearby ryokan inns offer traditional baths fed by the same underground heat.
Highlights:
  • 🎨 Stroll the charming streets of Yufuin and visit its art galleries
  • 🌋 Explore the surreal steaming pools on the Beppu Hells tour
  • ♨️ Relax in Beppu’s famous and therapeutic hot springs
Kusatsu-Onsen
Steaming hot water field and bath hopping
8.1
Kusatsu Onsen produces some of the highest volume of natural hot spring water in Japan. A central field in town channels the steaming water for visitors to see up close. Visitors can watch traditional water-cooling performances before soaking in the baths. Nearby ryokan inns have served travelers drawn to the springs for centuries.
Highlights:
  • 🌿 Relax in open-air baths at Sainokawara Park
  • 🎍 Watch a traditional Yumomi hot water cooling show
  • ♨️ Admire the steaming Yubatake hot spring field in the center of town
Kyushu
Volcanoes, onsen and tonkotsu ramen
8.4
Volcanic activity across Kyushu has produced some of Japan's most famous hot spring towns. Mount Aso's active crater sits at the center of one of the world's largest calderas. Visitors can drive to the rim and look down into the smoking crater. Nearby hot spring towns draw on the same volcanic heat below.
Highlights:
  • 🕊️ Explore historic Nagasaki Peace Park memorial
  • 🥾 Hike scenic trails at Mount Aso volcanic caldera
  • ♨️ Relax in Beppu’s famous hot spring baths
Noboribetsu
Steaming hell valley and nine spring types
8.5
Jigokudani (Hell Valley) steams with sulfurous vents just outside Noboribetsu. Volcanic heat from the valley feeds the hot spring baths the town is known for. Visitors can walk boardwalks past bubbling vents before soaking in a nearby onsen. Nearby forests turn bright red each autumn around the steaming valley.
Highlights:
  • 🐻 Meet Japanese macaques at the Noboribetsu Bear Park
  • 🌋 Walk through the steaming volcanic valley of Jigokudani
  • ♨️ Soak in natural hot springs at Noboribetsu Onsen resort
Hokkaido
Volcanoes, powder snow and fresh seafood
9.3
Hot spring towns dot Hokkaido, tapping the island's constant volcanic activity. Noboribetsu's Jigokudani (Hell Valley) steams with sulfurous vents just outside town. Visitors can walk boardwalks past bubbling vents before soaking in a nearby onsen. Nearby forests turn bright red each autumn around the steaming valley.
Highlights:
  • 🚤 Explore historic Otaru Canal and its shops
  • 🏂 Ski or snowboard in world-famous Niseko resorts
  • 💧 Visit the spectacular Shirogane Blue Pond
Hakone
Onsen town with Fuji views and lake cruises
8.6
Sulfur vents still steam at Owakudani, a volcanic valley formed thousands of years ago. Vendors there boil eggs in the hot spring water until the shells turn black. Visitors can eat one, said locally to add years to your life. Nearby cable cars cross the valley with views toward Mount Fuji.
Highlights:
  • 🚠 Take a scenic ride on the Hakone Ropeway
  • 🖼️ Explore stunning sculptures at Hakone Open-Air Museum
  • ♨️ Soak in relaxing waters of Hakone Onsen hot springs
Zao Onsen
Sulfur onsen, snow monsters and ski slopes
7.9
Zao Onsen's sulfuric hot springs have drawn bathers to this mountain town for centuries. Snow monsters, trees encased in wind-driven ice, form nearby each winter season. Visitors can soak in milky, acidic hot spring water unique to this region. Nearby ski slopes offer views of the frost-covered trees in winter.
Highlights:
  • 🎿 Ski or snowboard on Zao’s scenic slopes
  • 🌋 View the stunning Okama Crater’s color-changing lake
  • ♨️ Soak in Zao’s famous acidic sulfur hot springs
Kurokawa Onsen
Riverside bath hopping in a Kumamoto valley
8.8
Kurokawa Onsen preserves a traditional hot spring village atmosphere along a wooded river valley. Wooden inns here maintain rustic charm rather than modern hotel development. Visitors can purchase a pass allowing entry to multiple outdoor baths around town. Nearby forest paths connect the scattered inns along the riverbank.
Highlights:
  • 🏮 Enjoy seasonal lantern festivals lighting the village
  • 👘 Stroll the charming streets in traditional yukata robes
  • ♨️ Use the wooden pass for onsen hopping across baths
Shibu Onsen
Nine public baths and cobbled lanes
8.5
Shibu Onsen's narrow lanes connect nine public bathhouses fed by natural hot springs. Tradition holds that visiting all nine baths brings good fortune to bathers. Visitors can wander the historic streets in traditional robes between baths. Nearby, wild snow monkeys famously soak in hot springs of their own.
Highlights:
  • 👘 Stroll historic streets wearing yukata robes
  • 🐒 Visit Jigokudani Monkey Park to see bathing snow monkeys
  • ♨️ Soak in nine unique public hot spring baths
Unzen Onsen
Volcanic hot spring town with steaming hells
7.4
Unzen's hot spring town sits within an active volcanic area on Kyushu's Shimabara Peninsula. Sulfur vents known locally as jigoku (hells) steam throughout the surrounding hillside. Visitors can walk boardwalks past bubbling vents before soaking in a nearby bath. Nearby forests turn vivid colors each autumn around the steaming valley.
Highlights:
  • 🍱 Relax among mountain scenery and enjoy local onsen cuisine
  • 🔥 Wander through the dramatic Unzen Jigoku “Hell Valley” geothermal area
  • ♨️ Soak in Unzen’s steaming sulfur hot springs in a traditional ryokan
Aso-Kuju National Park
Giant caldera, active volcano and highlands
8.1
Mount Aso's crater ranks among the largest active volcanic calderas in the world. Farmers still graze cattle on grasslands formed by centuries of past eruptions. Visitors can drive to the rim and look down into the smoking crater below. Nearby hot spring towns draw on the same volcanic heat underground.
Highlights:
  • 🐎 Ride horseback across the grasslands of Kusasenri Plateau
  • 🥾 Hike the Kuju Mountains for sweeping views of lush valleys
  • 🌋 Peer into Mount Aso’s active volcanic crater and feel the heat
Izu Peninsula
Hot springs, volcanic coast and beaches
8.3
Steam vents and hot springs dot the Izu Peninsula, fed by underground volcanic heat. Ancient eruptions shaped much of the peninsula's dramatic coastal terrain. Visitors can soak in oceanfront baths built directly into coastal rock formations. Nearby hiking trails wind past cliffs formed by the same volcanic history.
Highlights:
  • 🌸 Explore Izu Kogen highland's flower gardens
  • 🏔️ Watch the sunset over Suruga Bay from Cape Koganezaki
  • 🛁 Soak in Atami's famed hot spring baths
Izu
Shuzenji hot springs, wasabi and Amagi hikes
8.1
Volcanic activity shaped the Izu Peninsula's rugged coastline and many hot spring towns. Onsen inns here have drawn travelers from Tokyo for day trips since the 1800s. Visitors can soak in seaside baths with views out over the Pacific. Nearby cliffs and coves make for scenic coastal hiking trails.
Highlights:
  • 🌸 Walk the Path of Bamboo along Shuzenji's river
  • 💧 Hike to the stunning Joren Waterfall
  • ♨️ Relax in the healing waters of Shuzenji Onsen
Matsuyama
A hilltop castle and Japan's oldest hot spring
8.3
Dogo Onsen in Matsuyama ranks among Japan's oldest hot spring bathhouses. Legend holds that an injured deer once revealed the healing waters to early visitors. Visitors can bathe at the historic building, said to have inspired a famous animated film. Nearby shopping streets serve visitors drawn to the centuries-old springs.
Highlights:
  • ⛩️ Explore Ishiteji Temple and its historic tunnel
  • ♨️ Relax in Dogo Onsen, Japan's oldest hot spring
  • 🏯 Visit Matsuyama Castle with panoramic city views
Yamanashi
Mount Fuji's north side, lakes and wine
9.4
Hot spring towns dot Yamanashi prefecture, drawing on volcanic activity near Mount Fuji. Onsen inns here have hosted travelers for generations seeking mountain views and warm baths. Visitors can soak outdoors with views toward Japan's tallest peak. Nearby lakes reflect Fuji's snow-capped summit on clear mornings.
Highlights:
  • 🌅 Explore Lake Kawaguchi's sunrise reflections of Mt. Fuji
  • 🍇 Pick grapes and peaches in Yamanashi's fruit orchards
  • 🚡 Taste hōtō, Yamanashi's hearty flat noodle stew
Toyota
Car capital with Korankei maple gorge
8.7
Hot springs near Toyota draw on geothermal activity within the surrounding mountain terrain. Local inns have offered mineral baths to travelers for generations in this region. Visitors can soak in traditional baths fed by naturally heated underground water. Nearby forests and mountain trails add to the area's rural appeal.
Highlights:
  • 🏭 Explore Toyota's industrial park and production facilities
  • 🏢 Walk through Toyota City Hall's modern architecture
  • 🚗 Tour the Toyota Kaikan Museum to see the latest cars and technology
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