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 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 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...
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.
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 and plum grove downstream from the right bank
Downstream was a little plum grove with red and white flowers.
Plaza on the left bank
We have reached the top level. There are monuments and a plaza.
Miyaoku Dam Management Office
The Miyaoku Dam management office is located on the left bank.
Toilets on the left bank
Fully equipped toilets!
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.
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.
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 embankment on the lake side from the left bank
Gradually, however, the rainfall becomes heavier and heavier.
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 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 dam lake and the incline from the top
It is a small and cozy incline. Still, the rain is strong...
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.
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 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 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 downstream from the top
You can see that the Miyaoku Dam exists at the end of a narrow valley.
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.
It was a standard dam typical of prefectural dams, but one that functionally served the local community.
Miyaoku Dam Specifications
Location | Miyaoku, Dauda-ku, Uda-shi, Nara |
River Name | Yodo River System Uda River |
Objective | A (irrigation water), W (water for water supply) |
Model | G(gravity-fed concrete dam) |
Bank height | 36.5m |
Bank length | 175m |
Dam volume | 65,000m3 |
Watershed Area | 2.9 km2 |
Reservoir area | 5 ha |
Total storage capacity | 580,000m3 |
Effective water storage capacity | 475,000m3 |
Dam operator | Nara prefecture (Kinki area) |
Main body constructor | Shimizu Corporation, Muramoto Corporation, Asanuma Corporation, The Zenitaka Corporation |
Year of launch | 1983 |
Year Completed | 1998 |
Name of Dam Lake | Miyaoku Lake |
Map of Miyaoku Dam
Other facilities/observations
Parking lot | Fat. |
Toilet | ○ |
Park | × |
PR Exhibition Hall | × |
Fishing | ○ |
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