Oigawa River System

1169-Oshiro River Farmland Disaster Prevention Dam

Date: 05/18/2013 (Sat)The Ojiro River Farmland Disaster Prevention Dam, like the nearby Harano Valley River Dam, is a dam for flood control and farmland disaster prevention, and is a perforated dam that does not usually store water. I visited the Harano Valley River Dam on my way to visit the dam. (I did not expect to visit the Harano Valley River Dam to practice singing and dancing...

Shizuoka Prefecture Dam

0000-Yokosawagawa Daiichi Weir

The weir is less than 15m in length, and without detailed data such as specifications, it would normally be an indigestible property, but this is a weir that is tasteful enough just to look at. We hope you will enjoy the real thing. / U15 (weir)

Shizuoka Prefecture Dam

3596-Yokosawagawa River No.2 Dam/Yokosawagawa River Dam

The Yokosawagawa No. 2 Dam is owned by Chubu Electric Power Company and is dedicated to power generation. The water collected at this dam is sent to the Oigawa Power Station. It is very compact, with an embankment height of 18.5m. The top of the embankment is only 39.8m long. Moreover, it is an old-fashioned dam built before World War II. / Gravity Concrete Dam / 18.5m

Shizuoka Prefecture Dam

1168-Hatanagi Daiichi Dam

The twilight-colored embankment makes one imagine the world of Hades. When we reached the Hatanagi No. 1 Dam, the surroundings were completely tinted in twilight, and we were finally at the end of our tour of dams on the Oigawa River system. The dam tour of the Oigawa River system finally comes to an end. The dusk-colored embankment makes me imagine the world of Hades. I wonder if I'll ever go to the other side of the world to see a dam. / Hollow gravity concrete dam / 125m

Shizuoka Prefecture Dam

1167-Hatanagi No.2 Dam

Tennozan Dam on the Oigawa River. It is endlessly far away. And the road is endlessly bad. Therefore, driving fatigue reaches its peak when you reach here, so if you feel even a little tired, be sure to take a break! Since the road is not connected, you will have to make a U-turn at the Hatanagi No. 1 Dam ahead. You will have to return to the rough road you just came from, so you need to be prepared for that when you get here. You are on your own no matter what happens... / Hollow gravity concrete dam / 69m

Shizuoka Prefecture Dam

1178-Nagashima Dam

A chalk residence under direct state control, open to the community! As a "dam open to the community," the Nagashima Dam is more open than most dams. I knew the name of the Nagashima Dam, but I had not done much research beforehand, so I had no idea that it was so full of sights. I would recommend that you allow plenty of time for your visit. / Gravity concrete dam / 109m

Shizuoka Prefecture Dam

0000-Nagashima Sand Dam

Nagashima Reservoir is a dam that you can see only if you ride Minami-Alps Aputo-line of Oigawa river railroad. But there are seats for river side and mountain side, so it is best to sit in the seat for river side. I was on the mountain side both on the way out and on the way back.... The best option is to go outside of the holiday season. / Gravity Concrete Dam

Shizuoka Prefecture Dam

1161-Okuizumi Dam

Chirarism Dam. Like the Oigawa Dam and the Sunmatagawa Dam, the road and the embankment were far apart as far as the map showed, so I had half given up looking at the Okuizumi Dam from a rule of thumb. However, on the way from Nagashima Dam to Igawa Dam, we suddenly found a sign that read "Okuizumi Dam ↓" and decided to go down the slope anyway, even though it was a suspicious slope... / Gravity concrete dam / 44.5m

Shizuoka Prefecture Dam

1162-Ikawa Dam

Oigawa Cathedral "Igawa Dam". The Igawa Dam is the first hollow gravity concrete dam in Japan and the second-highest embankment dam of its type after the Hatanagi No. 1 Dam. / Hollow gravity concrete / 103.6m

Shizuoka Prefecture Dam

1153-Oigawa Dam

A small but well-lit dam. We covered the Oigawa Dam after the "3rd Dam Web Ring Playboy Off-line Meeting - Goro-chan's Stomach Exploration Tour" was over. We were not able to make this dam come true during our previous coverage of the Oigawa River system, but thanks to our site's customers and the participants of the off-line meeting, we were able to photograph it this way. / Gravity concrete dam / 33.5m

Shizuoka Prefecture Dam

1157-Sakaigawa Dam

Either you want us to see it or you don't want us to see it! And the dam is off-limits inside the top end, which is a bit half-baked. / Gravity Concrete / 34.2m

Shizuoka Prefecture Dam

0000-Shiogo Dam

This river flow is very important for local residents in terms of preventing desertification of the river. And a small but important dam (weir). / Gravity concrete dam / 3.2m

Shizuoka Prefecture Dam

1166-Sasama River Dam

Kawane hot springs and a roadside station are nearby dams where you can see the SL of Oigawa Railway. Maybe a footbath after a stroll would be nice. This dam is used for power generation by Chubu Electric Power Company, and water taken from the Shiogo Dam on the main stream of the Oigawa River also flows here. / Gravity concrete dam / 46.35m

Shizuoka Prefecture Dam

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