What is Fujidō?
Fujidō (ふじどう) is one of the largest stalactite caves in the Kanto region, located in Ueno Village, Gunma Prefecture.
Of the cave’s total length of about 2.2 km, roughly 700 m is open to visitors, where you can enjoy the fantastical formations and the mysterious underground scenery.
Fujidō’s natural shapes were carved out of limestone formed about 250 million years ago, and the site is designated as a Natural Monument of Gunma Prefecture.
The cave’s temperature stays steady at about 10°C year-round, so it’s cool in summer and warm in winter, making it comfortable to explore in any season!
Highlights of Fujidō
1. Impressive scale — one of Kanto’s largest caves
Fujidō boasts one of the largest scales among caves in the Kanto region.
The cave is well maintained, so even beginners can walk around with confidence.
① An underground world shaped by fantastical stalactites and stalagmites
The cave contains a variety of stalactites and stalagmites of many sizes, making you feel as if you’ve stepped into another world.
In particular, the dramatic stalactites hanging from the ceiling and the powerful stalagmites rising from the floor are must-sees!
② Spectacular viewpoints like “Oku no Miya” and the “Fujino Grand Hall”
Inside the cave you’ll find many highlights, such as the expansive, temple-like “Fujino Grand Hall” and the sacred-feeling “Oku no Miya” (Inner Sanctuary).
Lit-up formations create a mysterious atmosphere that captivates visitors.
2. Feel like a cave explorer — courses suitable for beginners
The visitor route in Fujidō is about 700 m long and takes around 30–40 minutes.
Because the path is well maintained, beginners and families with children can enjoy it safely!
① From the entrance into the underground world — the exciting start of the adventure
As soon as you step inside from the entrance, a cool, quiet world different from the outside awaits.
You’ll encounter low ceilings and narrow passages at times, giving you the thrill of being an explorer!
② Fantastical spots like the “Dragon’s Belly” and the “Ceiling Chandelier”
There are winding passages that feel like walking inside a dragon and areas where stalactites sparkle like chandeliers.
Each spot has explanations, so you can enjoy learning some geology as you go.
③ A dramatic climax at the goal: the “Fujino Grand Hall”
Near the end of the route you’ll come upon the high‑ceilinged “Fujino Grand Hall”.
The grand scenery and silence provide a dramatic finish to the exploration.
3. Enjoying Fujidō in each season
① Spring (March–May)
- After exploring the cave, enjoy cherry blossoms at nearby viewing spots.
- The fresh green season is perfect for walking in the surrounding forests.
② Summer (June–August)
- Even when it’s hot outside, the cave is cool and comfortable!
- Children’s exploration events are sometimes held during summer vacation.
③ Autumn (September–November)
- Combine cave exploration with autumn leaf viewing.
- A scenic drive to Mount Akagi or Mount Myogi for fall colors is also recommended!
④ Winter (December–February)
- Even if it’s cold outside, the cave stays around 10°C and feels warm!
- It’s a good hidden‑gem spot to enjoy alongside winter sightseeing in Gunma.
4. Nearby attractions around Fujidō
✅ Ueno Sky Bridge (a thrilling suspension bridge with spectacular views — 90 m high)
✅ Kannagawa (Kanna River) (a beautiful gorge where you can play in the river or go fishing)
✅ Michi-no-Eki Ueno (a roadside station where you can enjoy local specialties and food)
Useful information for travelers
Access information (how to get to Fujidō from Tokyo)
By train + bus
- Tokyo Station → Takasaki Station (JR Joetsu Shinkansen, about 1 hour)
- Takasaki Station → Shinmachi Station (JR Takasaki Line, about 20 minutes)
- Shinmachi Station → Ueno Village (bus, about 2 hours)
- Ueno Village → Fujidō (taxi about 15 minutes; from the bus stop “Uenomura Village Office” it’s about a 40‑minute walk uphill)
By car
- About 2 hours 30 minutes from Tokyo (via the Kan‑etsu Expressway: Honjo‑Kodama IC → Route 299)
- Free parking available (about 50 spaces)
Opening hours and admission fees
- Opening hours: 9:00–16:30 (last admission 16:00)
- Closed: May be closed in winter depending on snowfall conditions
- Admission: Adults ¥800 / Elementary school ¥500 / Preschool ¥200
Wi‑Fi information
- No Wi‑Fi available inside the cave (we recommend downloading maps in advance)
- Free Wi‑Fi is available at the Ueno Village tourist information center and some cafés
Language support
- The tourist information center may have English‑speaking staff
Summary and Frequently Asked Questions
Fujidō is one of the largest stalactite caves in the Kanto region, offering a chance to explore a mysterious underground world.
Because it’s cool in summer and warm in winter, it’s worth visiting year‑round.
Be sure to experience the grand natural formations and the many beautiful stalactites and stalagmites!
Frequently Asked Questions
Q: Any tips on clothing or items to bring?
A: Wear comfortable clothes and sneakers. Some areas inside the cave can be slippery, so take care!
Q: How long does it take?
A: The cave tour takes about 30–40 minutes; total time at the site is about 1–2 hours.
Q: Is it suitable for children?
A: Children of elementary school age and older can enjoy it without problems, but extra care is needed when bringing infants or toddlers.
Q: Is the cave cold?
A: The temperature is about 10°C year‑round, so it feels cool in summer and warm in winter.
Q: Are there places to eat nearby?
A: You can enjoy local dishes at Michi‑no‑Eki Ueno!
Fujidō offers a mysterious underground adventure — be sure to add it to your Gunma sightseeing itinerary!
