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Your Comprehensive Guide to Mt. Fuji’s Geography

Mt FujiGeography

Steam vents, volcanic trails, and sulfur-boiled eggs with a view—Owakudani is Hakone’s wildest natural wonder.

Why visit Owakudani Valley?

Created from the last eruption of Mount Hakone over 3,000 years ago, this active volcanic valley still bubbles and smokes. From the Hakone Ropeway, you’ll get panoramic views of sulfur vents, distant peaks, and on a clear day, Mount Fuji rising in the background. It’s also famous for its jet-black eggs—hard-boiled in sulfur springs—which local legend says will extend your life by seven years.

Owakudani is a must-visit if you love geology, science, or just want something you can’t find anywhere else in Japan.

Here’s what makes it unforgettable:

1. See live volcanic activity up close

At Owakudani, the volcano is still active beneath your feet. You’ll see thick steam plumes rise from the ground and smell the sharp scent of sulfur in the air. It's raw, real, and a rare opportunity to witness Japan’s volcanic energy without needing to hike a mountain.

2. Get stunning Mt. Fuji views

On clear days, the Hakone Ropeway offers some of the best panoramic views of Mt. Fuji’s snow-capped peak.

3. Taste the famous Kuro-Tamago (Black Eggs)

These eggs are boiled in Owakudani’s natural hot sulfur springs, turning their shells black. Legend has it that eating one adds seven years to your life. Whether or not you believe it, cracking one open while the steam swirls around you is a different experience.

4. It’s part of the Hakone Loop

Owakudani is a key stop along the Hakone sightseeing circuit, which means it's easy to pair with nearby highlights like Lake Ashi boat cruises, Gotemba Outlet shopping, and relaxing onsen hot springs. You can hit multiple experiences in one well-planned day.

5. It's instagrammable

From mist-covered mountains and bubbling vents to surreal rock textures and deep skies, Owakudani is a dream for photographers and content creators. Every turn gives you a frame-worthy shot.

























Explore Mt. Fuji + Owakudani now

Mount Fuji Guided Day Tour with Lake Ashi Cruise & Hakone Ropeway
Free cancellation
Instant confirmation
Mobile ticket
10 hr 30 min
Transfers included
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from
¥8,273

What’s included in the Owakudani tour

Owakudani is typically part of a larger day trip, so here’s what to expect:

  • Ropeway ride over the valley
    Travel from Sounzan to Togendai with a stop at Owakudani.
  • Stop at observation deck
    Time to walk the trails, take photos, and buy snacks.
  • Local guide or audio support
    Chinese, Japanese or English speaking guides are included in the tour.
  • Mt. Fuji with Lake Ashi add-ons
    Owakudani is often paired with Fuji viewing and Hakone ropeway.
  • Round-trip transfers from Tokyo
    Full-day guided AC coach transfers from Tokyo to Owakudani.

What to know before you go

  • Owakudani is beautiful—and occasionally closed due to volcanic activity. Here’s how to plan smart:
  • Check air quality alerts
    People with asthma or breathing issues should consult current conditions. Please wear a mask while visiting or try to avoid visiting if not favorable.
  • Weather matters
    Fuji visibility is best in the early morning or in winter.
  • Sulfur smell is strong
    It’s safe, but it’s there. Bring a mask or scarf if you’re sensitive.
  • Wear walking shoes
    Some trails are gravel or slightly uneven. Leave the flip-flops at home and wear proper shoes.
  • Watch ropeway timings
    Ropeway can stop due to high winds—double-check morning schedules.

Frequently asked questions about Owakudani Valley

Is Owakudani safe to visit?

Yes. It's monitored closely and closed if activity increases. Masks are recommended for individuals with asthma, wheezing or any other breathing problems.

How long should I spend there?

Most people spend 30–60 minutes, not including the ropeway ride.

What’s the best time to visit?

Morning for fewer crowds and better Fuji visibility—especially in winter or early spring.

Are black eggs vegetarian?

No. They’re regular eggs boiled in sulfur springs.

Is it free to visit?

Entry into the valley is free. There will be a small admission fee for activities like the Hakone ropeway and Owakudani walking trail.