Guide
Yamba Dam Interior Tour
3 min readEvent Overview
The Yamba Dam Interior Tour is a rare, hands-on experience that grants access to the dam's interior, an area strictly off-limits to the general public. This highly exclusive tour allows you to learn about the history of the dam's construction and the mechanics of its massive structure up close.
Highlights
The main highlight is entering the dam's interior, often considered its heart. You will witness the incredible scale of this gravity concrete dam and its precision-engineered design. Observing the internal structure of the dam firsthand is a unique thrill found only through this tour.
Schedule
This event will be held on September 6, 2026.
- *Morning Session**: 10:30–12:00
- *Afternoon Session**: 13:30–15:00
Venue and Access
The meeting point is the Naruhodo! Yanba Museum.
| Item | Details |
|---|---|
| Venue Name | Naruhodo! Yanba Museum |
| Address | 1121-31 Kawaharaba, Nagaokihara, Agatsuma District, Gunma |
Participation Tips
This is a reservation-only event. Capacity is limited to 20 people per session, and participants must be junior high school students or older. Because of the limited capacity, we recommend preparing early.
What to Bring, Clothing, and Etiquette
As you will be exploring the interior of the dam, we recommend wearing comfortable, practical clothing. For the latest information on booking and details, please always check the official website (Tsunagu Company Nanohara HP).