Kanagawa Prefecture Dam

3243-Miyagase sub-dam (Ishigoya dam)

3.5
Kanagawa Prefecture Dam
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Location: Aza Mukohara, Aikawa-cho, Aiko-gun, Kanagawa Prefecture
Official Web site:.Kanto Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism

View of the embankment from the left bank of the dam

brinkmate (inevitable checkmate) (shogi)sub-dam(The Ishigoya Dam (Ishigoya Dam) is located on the Miyagase Dam site, and a visit to the Miyagase Dam is a natural part of the tour.
The Miyagase Dam is often referred to as the Ishigoya Dam, but the dam handbook refers to it as the Miyagase Sub-Dam.
We want to emphasize both the local name and the de facto standard (?). We want to emphasize both the local name and the de facto standard (?) name in the dam handbook, so we have listed them together.

View of the top edge from the left bank

Normally, most sub-dams are less than 15 meters high, so they are rarely introduced in this way, but the Miyagase Dam's sub-dam is a whopping 34.5 meters high!
It is also not just a sub-dam. It is a power plant.reverse osmosis pondIt is a perfect dam that secures the water level for the water supply, reduces the discharge of water from the Miyagase Dam, and even generates electricity. This is no longer an existence that should be dismissed as a sub-dam. It is a dam that works superbly.

Downstream view of the levee from the left bank

It is called a "stone hut," and is quite elaborate in design. It is truly a stone-piled hut. Incidentally, "Ishikoya" is a geographical name, not a name derived from the appearance of the embankment.

View downstream from the top

As I am making this page, I think I should have crossed over to that bridge downstream, and now I regret it....

View of water intake

The water intake on the dam lake side is probably for power generation. Although the term "dam lake" is used, it is not the same as "Miyagase Dam'smomentum reducerWhen I say "yes," I mean it....

dam characteristics

da
mu
Modelgravity-fed concrete dam
ObjectiveFlood control and agricultural disaster prevention/unspecified water and river maintenance water/
Water for water supply/power generation
Bank height34.5m
Bank length87m
Dam volume45,000m3
savings
water (esp. cool, fresh water, e.g. drinking water)
pond
Watershed Area1.1km2
Reservoir area4 ha
Total storage capacity557,000m3
Effective water storage capacity386,000m3
River NameSagami River System Nakatsu River
Year of launch1971
Year CompletedYear 2000
Access to D@MGet off at Atsugi IC of Tomei Expressway
North on Route 129
Soon you will be on Route 246, but keep going north.
Turn left at the "Kenritsu Byoin Mae" intersection and continue north on Route 412.
As you enter Aikawa Town, a sign for the Miyagase Dam appears.
Turn left at the intersection with Main Regional Road No. 514 and follow the road.
After passing through five tunnels, there is a road that turns right.
If you turn there and see a guard standing there, you are already at Miyagase Dam!
In addition, use the incline, etc., to go directly under the Miyagase Dam.
It takes about 10 minutes to reach it on foot from directly below.

Other facilities/observations

Parking lotAll facilities at Miyagase Dam must be used.
That's all there is.
Toilet
Park
PR Exhibition Hall

Accommodations that may be close to Miyagase sub-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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