山・自然

Noboribetsu Jigokudani | Hokkaido’s “Hell Valley” Complete Visitor Guide

Walk fifteen minutes from Noboribetsu Onsen’s main street and the world opens into something hard to find anywhere else on Earth: a 450-meter-wide explosion crater where white steam rises from countless vents, the air smells of sulfur, and the ground itself is still alive—a hot-spring reservoir that pours 10,000 tons of mineral water per day […]

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Mount Asahidake | Hokkaido’s Highest Peak & Complete Visitor Guide

When the doors of the Asahidake Ropeway open at Sugatami Station, you step out at 1,600 meters into a world few places on Earth can match: Hokkaido’s highest peak (2,291m) towering above, steam rising from active fumaroles, and alpine ponds reflecting the volcano’s silhouette. This is Kamuy Mintar—what the Ainu called the “playground of the

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Unzen Jigoku (Nagasaki): 30+ Steaming Volcanic Hells, Foot-Steaming & Hot-Spring Eggs — Free 24h Guide (2026)

Unzen Jigoku’s dramatic landscape: wooden boardwalks wind through steaming volcanic vents, with hot spring hotels perched along the hillside (Photo: Wikimedia Commons, CC BY-SA 3.0) “The ground hissed beneath my feet. Steam erupted from cracks in the earth. The air smelled of sulfur. I was standing in Hell — and it was magnificent.” Welcome to

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Shirakawa Suigen (Mount Aso): Kumamoto’s Crystal-Clear Drinking Spring — 60 Tons a Minute & Visitor Guide (2026)

The “Meisui Shirakawa Suigen” (Famous Water: Shirakawa Spring Source) monument beside the impossibly clear spring pool. Approximately 60 tons of water surge up from the earth every minute (Photo: Minamiaso Tourism Bureau / Wikimedia Commons, CC BY-SA 4.0) The water is so clear that you can see every grain of sand on the bottom —

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Bungui Pass, Nagano: Japan’s ‘Zero Magnetic Field’ Spot, Ki-Ba Energy Field & Visitor Guide (2026)

There is a mountain pass in Nagano Prefecture where compasses spin erratically, where visitors sit quietly on wooden benches in a forest clearing and report feeling warmth spreading through their palms — and where the geological explanation is as remarkable as the experience itself. Bungui Pass (分杭峠, 1,424 m elevation) sits directly on the Median

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Mount Nokogiri (Nokogiriyama, Chiba): ‘Hell Peek’ Cliff, Japan’s Largest Stone Buddha & Ropeway — Day Trip from Tokyo (2026)

It is only 329 meters high. By any standard, Mount Nokogiri is a modest mountain. But modest is the last word you will use after standing on a rock ledge jutting over a vertical cliff, looking straight down at a forest canopy hundreds of meters below while Tokyo Bay stretches to the horizon. This is

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Kiyotsu Gorge (Niigata): The Tunnel of Light Mirror Pool, Columnar-Basalt Cliffs & Autumn Day Trip from Tokyo (2026)

You walk 750 meters into a mountain. The tunnel is cool and dim, with occasional windows opening onto a gorge of towering columnar rock. Then you reach the end, and the floor becomes water. A thin sheet of it, perfectly still, reflecting the gorge outside and the stainless steel walls around you. The rock, the

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Takachiho Gorge (Miyazaki): Manai Falls Boat Ride, Columnar-Basalt Cliffs & Amanoiwato Cave Shrine Guide (2026)

A volcanic gorge carved by 100,000 years of flowing water. Basalt columns rising 80 meters like the pillars of a cathedral. A waterfall named after a vessel from which the sun goddess herself poured water from heaven. And a cave where she once hid, plunging the entire world into darkness. Takachiho Gorge (高千穂峡) in Miyazaki

Takachiho Gorge (Miyazaki): Manai Falls Boat Ride, Columnar-Basalt Cliffs & Amanoiwato Cave Shrine Guide (2026) Read More »

Ryusendo Cave (Tohoku): Cobalt-Blue Underground Lakes & Dragon Legends — Visitor Guide (2026)

About 110 minutes by car from Morioka, deep in the mountains of Iwaizumi Town, Iwate Prefecture, lies a world of blue that locals call “Dragon Blue.” Ryusendo is one of Japan’s Three Great Limestone Caves alongside Akiyoshido and Ryugado, and the transparent cobalt blue of its Third Underground Lake — plunging to a depth of

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Mount Chokai with rice fields in foreground

Mount Chokai (Dewa Fuji): Tohoku’s Sea-of-Japan Volcano — Omonoimi Shrine, Alpine Flowers & Hiking Guide (2026)

Rising on the border between Akita and Yamagata Prefectures, Mount Chokai stands at 2,236 meters as Tohoku’s second-highest peak. Its beautiful conical shape has earned it the name “Dewa Fuji,” and it has been revered as a sacred site of mountain worship since ancient times. At the summit sits the main hall of Omonoimi Shrine,

Mount Chokai (Dewa Fuji): Tohoku’s Sea-of-Japan Volcano — Omonoimi Shrine, Alpine Flowers & Hiking Guide (2026) Read More »