Gunma Dam

0605-Fujiwara Dam

5.0
0605-Fujiwara Dam Gunma Dam
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Location: Aza Okura, Fujiwara, Minakami-cho, Tone-gun, Gunma
Date of interview: 2005/06/17

View of the levee from downstream

View of the levee from downstream

Fujiwara Dam is the first high dam in the Okutone Dam complex. Although it has the use of power generation, it is not a stand-alone dam, but a pumped storage and power generation dam with the upper dam, Tamahara Dam, and Fujiwara Dam is the lower dam.

I saw this figure first from the downstream side, so I came straight to the downstream side. It is nice to be able to get a shot from the downstream side.

Entrance to Tamahara Power Plant

Entrance to Tamahara Power Plant

I am curious about this back here, but it is closed by shutters. Does it continue to the Tamahara Dam?

sub-dam

sub-dam

When the water is discharged, you can probably see the water surmounting this area with great force.

Discharge from water utilization discharge facilities (holo-jet valves), such as river maintenance discharge

Discharge from water utilization discharge facilities (holo-jet valves), such as river maintenance discharge

If you look downstream, you can catch a glimpse of the discharge.

Close-up of Hollow Jet Valve

Close-up of Hollow Jet Valve

If you move from the downstream side, you will see the hydraulic pipes first, but I wanted to go directly under the levee anyway, so I passed by this area. When I moved to the downstream side, I was surprised to see this discharge.

Anyway, "roar" is one word.

Discharge pipe above the valve

Discharge pipe above the valve

It is a thick hydraulic iron pipe. It looks quiet in the picture, but the roar is so great that it is hard to hear the conversation.

View of the embankment (lake side) from the right bank

View of the embankment (lake side) from the right bank

Now, we left the hydraulic iron pipe behind and moved to the top end.

Water conduit for pumped-storage power generation from Tamahara Dam

Water conduit for pumped-storage power generation from Tamahara Dam

The hydraulic iron pipe mentioned earlier seems to be for irrigation, but this is a gate for pumped-storage power generation. The strange building is said to be the gate operation room.

Selective water intake system

Selective water intake system

The water level seems to have been much lower.

Fujiwara Dam Management Office

Fujiwara Dam Management Office

The building of the administration office that looks fairly new.

Up at the gate

Up at the gate

The gate is colored in pale blue, which is suitable for direct sunny weather.

Looking up at Gates Pier

Looking up at Gates Pier

Hmmm. I'd like to take a cooler shot. This is the limit for me.

View of the dam lake from the top

View of the dam lake from the top

It is a beautiful day. But later in the evening and into the night, it rained.

View of the conduit from the top edge

View of the conduit from the top edge

I would like to see them released.

View downstream from the top

View downstream from the top

It is really mountainous area. It is a good season for fresh green. 

Gate Pier No. 2

Gate Pier No. 2

The sign that was visible from downstream looks even bigger when you reach the top edge. I'd like to take a cooler shot, but this is the limit for me.

View of the levee (downstream side) from the right bank

View of the levee (downstream side) from the right bank

From here you can see that it is a pretty cool dam. Very stylish.

dam characteristics

River NameTone River System Tone River
ObjectiveFlood control, agricultural disaster prevention, unspecified water, river maintenance water, power generation
ModelGravity Concrete
Bank height95m
Bank length230m
Dam volume415,000m3
Watershed Area400.2 km2
Reservoir area169 ha
Total storage capacity52,490,000m3
Effective water storage capacity35,890,000m3
Dam operatorKanto Regional Construction Bureau
Main body constructorNishimatsu Construction
Year of launch1951
Year Completed1958
Name of Dam LakeFujiwara Lake

Other facilities/observations

This is the High Dam, visible just north of the water. From here, try to go further and further north. The distance is quite long and it is hard to go back, but I definitely recommend it.

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

Accommodations that may be close to Fujiwara 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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