Castles & Historic Sites
Matsushiro Zozan Underground Ruins
Matsushiro Zozan Chikakago
A massive underground structure built during the final stages of WWII.Explore this spot
Guide8 min read
The Matsushiro Zozan Underground Ruins are a large-scale underground structure located in Matsushiro Town, Nagano City.
What makes it special
Historical RuinsUnderground ExplorationWar HeritageNagano SightseeingHistorical Experience
About Matsushiro Zozan Underground Ruins
- Walk through a historical underground structure to experience the scale of the site firsthand.
- Safe exploration with the use of provided safety helmets.
- Convenient access via the nearby Daikancho Parking lot.
- Cultural immersion by combining your visit with nearby samurai residences and traditional crafts.
Weather forecast
Tue
8/4
31°/21°
0%
Wed
8/5
32°/21°
0%
Thu
8/6
34°/23°
53%
Fri
8/7
36°/24°
100%
Sat
8/8
31°/23°
97%
Sun
8/9
30°/22°
71%
Mon
8/10
30°/23°
38%
Tips
Payment
Free (Check nearby facilities for separate costs)
English Support
Signage and staff assistance depend on local availability
Reservation
No prior reservation required
Clothing
Wear comfortable walking shoes and practical clothing
Photography
Please check on-site for any restricted areas
Accessibility
Difficult for wheelchairs due to uneven terrain and bedrock surfaces
Etiquette
Eating, drinking, smoking, and graffiti are strictly prohibited inside the tunnels