The "Hexagon Hall" of the Ube Waterworks
The Momoyama Water Metering Room (桃山配水計量室) is an octagonal water metering house of 1924 in Kogushi, Ube City, Yamaguchi Prefecture, and was registered as a Registered Tangible Cultural Property (structure) on November 5, 1997 (Agency for Cultural Affairs).
The Agency records a single-storey brick building with a building area of 30 square metres; registration number 35-0007.
An Octagon Called the Hexagon Hall
The Momoyama Water Metering Room is a small single-storey brick building on an octagonal plan, set among houses on a hillside and widely known by the nickname Rokkakudo, the "hexagon hall" (Agency for Cultural Affairs).
It now has a flat concrete roof, but when first built it was crowned with an eight-sided pyramid roof (Agency for Cultural Affairs).
Why It Was Registered
The Agency notes that it is widely loved in its neighbourhood as the "hexagon hall" and registered it for its contribution to the historic landscape.
What to Look For
Look at the eight brick walls of its octagonal plan (Agency for Cultural Affairs).
Visiting
It is owned by Ube City (Agency for Cultural Affairs). The two structures are introduced together on the Momoyama Waterworks page. No official visiting information was found.
Q&A
- When was it built?
- In 1924 (Agency for Cultural Affairs).
- Why is it called the hexagon hall?
- That is its local nickname, though its plan is octagonal.
- Is the roof original?
- No; the first roof was an eight-sided pyramid, now replaced by a flat concrete roof.
- Where is it?
- Among hillside houses in Kogushi, Ube City, Yamaguchi Prefecture.
- When was the Momoyama Water Metering Room registered?
- On November 5, 1997 (Agency for Cultural Affairs).
Basic Information
| Name | Momoyama Water Metering Room (桃山配水計量室) |
|---|---|
| Location | 175-9 Kogushi, Ube City, Yamaguchi Prefecture |
| Designation | Registered Tangible Cultural Property (Structure) |
| Year Designated | Registered 1997/11/05 (Heisei 9) |
| Quantity | 1 building |
| Dimensions | Single-storey brick, 30 m² |
| Owner | Ube City |
| Public Access | No official visiting information |
References
- Momoyama Water Metering Room (Database of National Cultural Properties, Agency for Cultural Affairs)
- https://kunishitei.bunka.go.jp/heritage/detail/101/00000366
Last verified: 2026.10.21