The Lowest of Three Prefectural Power Stations

The Kamidaki Power Station (上滝発電所) is a hydroelectric station of the Toyama prefectural power works of 1924 in Nakadaki, Toyama City, Toyama Prefecture, and was registered as a Registered Tangible Cultural Property (structure) on October 12, 2001 (Agency for Cultural Affairs).

The Agency records a two-storey reinforced-concrete building with a building area of 678 square metres; registration number 16-0063.

The Lowest of Three Stations on the Joganji River

The Kamidaki Power Station is the lowest of the three stations built on the Joganji River system in the first phase of Toyama Prefecture's public power works, and stands on the left bank of the Joganji River (Agency for Cultural Affairs).

Water from the Matsunoki Power Station drops about 67 metres to turn its three turbines (Agency for Cultural Affairs). The reinforced-concrete building, single-storey with a partial upper floor, is the largest of the three, with a roof built nearly flat.

Why It Was Registered

The Agency registered the power station for its contribution to the historic landscape.

What to Look For

Look for the largest building of the three stations and its nearly flat roof (Agency for Cultural Affairs).

Visiting

It is owned by Hokuriku Electric Power Company (Agency for Cultural Affairs). No official information on public access was found.

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Q&A

QWhen was it built?
AIn 1924 (Agency for Cultural Affairs).
QWhere does its water come from?
AFrom the Matsunoki Power Station, with a drop of about 67 metres.
QHow many turbines does it have?
AThree.
QHow is the name read?
AKamidaki hatsudensho.
QWhen was the Kamidaki Power Station registered?
AOn October 12, 2001 (Agency for Cultural Affairs).

Basic Information

NameKamidaki Power Station (上滝発電所)
Location3-1 Nakadaki, Toyama City, Toyama Prefecture
DesignationRegistered Tangible Cultural Property (Structure)
Year DesignatedRegistered 2001/10/12 (Heisei 13)
Quantity1 building
DimensionsTwo-storey reinforced concrete, 678 m²
OwnerHokuriku Electric Power Company
Public AccessNo official access information

References

Kamidaki Power Station (Database of National Cultural Properties, Agency for Cultural Affairs)
https://kunishitei.bunka.go.jp/heritage/detail/101/00002377

Last verified: 2026.10.23