Location: Hongo, Kamiyazaki-cho, Ena-shi, Gifu
View of the embankment from the right bank
Kamiyasaki-cho was hit hard by the Tokai torrential rainstorm that occurred in September 2000 (also known as the Enan torrential rainstorm in some areas).
This Shimomura Dam was originally a fixed weir, but was replaced with a rubber dam after it was breached in addition to causing extensive damage during the torrential rains in Tokai. The height of the embankment is less than 15 meters, so technically it is not a dam, but we decided to include it here because it is rare.
View of the levee from the downstream side of the right bank
I do not know the detailed mechanism of the Shimomura Dam because I do not have the information at hand, but it is said that when the flow rate increases, the V-shaped rubber flattens out so that it does not obstruct the downstream flow. The middle of the dam is a fish passage. In addition, on the left bank, there is a small portion of the embankment that remained before it was breached.
dam characteristics
| da mu | form (something takes) | rubber dam |
|---|---|---|
| Objective | generation (e.g. power) | |
| Bank height | 4.3m | |
| Bank length | 21.0m | |
| Dam volume | ? | |
| savings water (esp. cool, fresh water, e.g. drinking water) pond | Watershed Area | ? |
| Reservoir area | ? | |
| Total storage capacity | ? | |
| Effective water storage capacity | ? | |
| Name of Dam Lake | ? | |
| River Name | Yahagigawa River System Kamimura River | |
| Year of launch | 2002? | |
| Year Completed | 2003 | |
*Spec info: Mr. ToNo Thanx!
Other facilities/observations
| Parking lot | × | If you use the Chuo Expressway to get to Shimomura Dam, get off at the Ena IC. Take Route 257 south and go past the junction with Route 418. You will see a tunnel and turn right just before it. If you're coming from the Nagoya area, take Route 153. Turn left at the Inabashi intersection in Inabu-cho, Kitashitara-gun, Aichi Prefecture, and go north on Route 257. Turn left after passing the Kamiyasaku Junior High School area and crossing the tunnel. Kamiyahagi Town has a 150m-high, 417m-long Kamiyahagi Dam (rock-fill). We are planning to do so. We are still suffering from the aftermath of the torrential rains in Tokai. The construction of dams for flood control purposes will be inevitable. |
|---|---|---|
| Toilet | × | |
| Park | × | |
| PR Exhibition Hall | × |
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