Gunma Dam

0598-komori dam

4.0
Gunma Dam
This article can be read in about 2 minutes to read.

Date of interview: 2005/06/17
Location: Minakami Town, Tone-gun, Gunma Prefecture

View of the embankment from the right bank

View of the embankment from the right bank

The entire embankment is overflowing, and because of the natural overflow, when the river is full, it creates a spectacular "sudare discharge" as shown here.

View of the dam lake from the right bank

View of the dam lake from the right bank

It is a little muddy, but that may be because of the bad weather.

View of the overflow from the downstream side of the right bank

View of the overflow from the downstream side of the right bank

There are not many good shooting points and it is a bit difficult to take pictures. Moreover, there are wires in the way. This photo was also taken between the pillars of a rock shed (or is it a snowshed?). This picture was also taken from between the pillars of the rock shed (or is it a snow shed?). Also, the dam is located along the road, but you may miss it if you are not paying attention.

View of the water intake from the right bank

View of the water intake from the right bank

The Kamimaki Power Plant is located 10 km downstream from the Komori Dam, and this is also its water intake. The entrance to the water conduction tunnel can be seen at the far right.

View of the water intake from the right bank

View of the water intake from the right bank

Incidentally, the levee can be seen from the other side of the river.

dam characteristics

River NameTone River System Tone River
Objectivegeneration (e.g. power)
ModelGravity Concrete
Bank height33m
Bank length107.4m
Dam volume32,000m3
Watershed Area406km2
Reservoir area10 ha
Total storage capacity855,000m3
Effective water storage capacity239,000m3
Dam operatorTokyo Electric Power Co.
Main body constructorNishimatsu Construction
Year of launch1956
Year Completed1958

Other facilities/observations

We were lucky to be able to see the discharge, as there are days when the water volume is low and the water is not discharged. We were lucky to see the discharge of the water, because high dams appear one after another as you head upstream on the Tone River from the base of this dam,
We recommend aiming further upstream.

Parking lot×
Toilet×
Park×
PR Exhibition Hall×
Fishing×

Accommodations that may be close to Komori Dam

This article was written by.
Shin Jinma

Dam enthusiast who loves Momosuke Fukuzawa / Dampedia and Dam News administrator / Certified Dammeister (01-018) by the Japan Dam Foundation / Started selling discharge caution goods.https://shop.dampedia.com

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