Nara Prefecture Dam

1582-Miyauku Dam

3.0
View of the levee downstream from the right bank Nara Prefecture Dam
This article can be read in about 5 minutes to read.

Date of interview: Saturday, March 31, 2012

On the way to the Otaki Dam, where a test discharge was to be conducted, I noticed a sign that said there was a dam and made a hasty stop at the Miyaoku Dam.

View of the levee from the village downstream

Turn right at the sign for the Miyaoku Dam standing on Route 370 and drive for a while until you see the embankment in front of you.

View of the levee from the village downstream

View of the levee from the bridge downstream

I got closer to just below. It is a little difficult to grasp the whole picture because of the structure downstream like a block.

View of the levee from the bridge downstream

View of the force-reducing structure from the bridge downstream

This is an unusual reduction work. The sub-dam is built vertically and looks like a swimming pool. I don't know if it can be called a sub-dam, but...

View of the force-reducing structure from the bridge downstream

Daewoo Town Simple Water Supply Southern Water Filtration Plant

Furthermore, there is a water purification plant on the right bank side, which makes the embankment even more difficult to admire. However, the main role of the levee is not to be admired by lovers, but to provide water for water supply and irrigation.

Daewoo Town Simple Water Supply Southern Water Filtration Plant

View of the levee downstream from the right bank

If you continue on the path to the right bank, the bank is slightly elevated, so you can manage to see the entire levee downstream, although not directly in front of it.

View of the levee downstream from the right bank

View of the levee and plum grove downstream from the right bank

Downstream was a little plum grove with red and white flowers.

View of the levee and plum grove downstream from the right bank

Plaza on the left bank

We have reached the top level. There are monuments and a plaza.

Plaza on the left bank

Miyaoku Dam Management Office

The Miyaoku Dam management office is located on the left bank.

Miyaoku Dam Management Office

Toilets on the left bank

Fully equipped toilets!

Toilets on the left bank

Mural "Morning in Akino" signboard

The sign is attached to a triangular pyramid-shaped monument in the middle of the square.

Mural "Morning in Akino" by Masami Nakayama [Lent by Dauda Central Community Center]
The poem, "Himugashi no yono ni kagorohi no tachimiette miete kaherimisareru Tsuki katabukinu," is a poem written by Kakinomoto no Hitomaro about the magnificent dawn when he was hunting in Akino (present-day Dauda Town) as an attendant of Emperor Karu (later Emperor Monmu). Based on this poem, Masami Nakayama painted this mural.

Mural "Morning in Akino" signboard

Sign for "Kagirohi" on the opposite side of the above sign

There are many theories about "Kagorohi," but the Dauda Town Tourist Association holds a "Kagorohi Watching Party" on November 17 of the lunar calendar, when the poem is said to have been read, based on the theory that it is "the first sunlight that appears about one hour before sunrise on a clear dawn in the bitter winter. The "Kagirohi Watching Party" is held on November 17 of the lunar calendar, the day the poem is said to have been read.

Signboard of "Kagirohi

View of the levee downstream from the left bank

The weather, as usual, was unfortunately rainy, but the wet embankment is also a good thing.

View of the levee downstream from the left bank

View of the embankment on the lake side from the left bank

Gradually, however, the rainfall becomes heavier and heavier.

View of the embankment on the lake side from the left bank

View of the top edge from the left bank

The other side of the river is waiting for you, even if it is raining. The top edge is not passable by car, so you have to go on foot.

View of the top edge from the left bank

View of the reduction works and the water purification plant from the top of the left bank

In this way, it looks as if the abatement works are like a swimming pool. This type of structure is rare in Japan.

View of the reduction works and the water purification plant from the top of the left bank

View of the dam lake and the incline from the top

It is a small and cozy incline. Still, the rain is strong...

View of the dam lake and the incline from the top

Gate hoist room of water intake facility

This is a water intake facility constructed by Marushima Aqua System. A total of five steel slide gates appear to be housed.

Gate hoist room of water intake facility

View of the top edge from the right bank

We came to the right bank on the other side of the river in the rain.

View of the top edge from the right bank

View of the embankment on the lake side from the right bank

The dam is responsible for water supply and agricultural water in this area, and there seems to be an abundance of water.

View of the embankment on the lake side from the right bank

View of the levee downstream from the right bank

I would like to see what happens when the water is full. I would like to see what happens when the water level is full. I would like to see how the water flowing from the flood discharge slides down like a curtain and pushes away the water that has accumulated in the pool-like force-reducing structure. I would like to see such a situation.

View of the levee downstream from the right bank

View downstream from the top

You can see that the Miyaoku Dam exists at the end of a narrow valley.

View downstream from the top

View of the embankment on the lake side of the dam from upstream

Before returning to the left bank and getting into my car, I tried to get a little bit of the bank from upstream.

View of the embankment on the lake side of the dam from upstream

It was a standard dam typical of prefectural dams, but one that functionally served the local community.

Miyaoku Dam Specifications

LocationMiyaoku, Dauda-ku, Uda-shi, Nara
River NameYodo River System Uda River
ObjectiveA (irrigation water), W (water for water supply)
ModelG(gravity-fed concrete dam)
Bank height36.5m
Bank length175m
Dam volume65,000m3
Watershed Area2.9 km2
Reservoir area5 ha
Total storage capacity580,000m3
Effective water storage capacity475,000m3
Dam operatorNara prefecture (Kinki area)
Main body constructorShimizu Corporation, Muramoto Corporation, Asanuma Corporation, The Zenitaka Corporation
Year of launch1983
Year Completed1998
Name of Dam LakeMiyaoku Lake

Map of Miyaoku Dam

Other facilities/observations

Parking lotFat.
Toilet
Park×
PR Exhibition Hall×
Fishing

Accommodations that may be close to Miyaoku Dam

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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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