Tenryu River System

1229-Shin Toyone Dam

The day after the memorable 1st Gathering with Dam Lovers in Agigawa Dam, we decided to go and get an instruction manual for the new Toyone Dam card together! We were given an opportunity to visit the inside of the dam. Bones (?) of the aggregate of the Shin Toyone Dam The bones (?) of the aggregate of Shin-Toyone Dam...

Dam in Aichi Prefecture

0990-Iwakura Dam

The day after the "1st Gathering with Dam Lovers in Agigawa Dam" was held, I was going to visit the Shin-Toyone Dam, but I remembered that there was a dam near the Shin-Toyone Dam that I had not visited yet, so I decided to visit the Iwakura Dam in a hurry. The right bank...

Nagano Prefecture Dam

1001-Hiraoka Dam

The Hiraoka Dam is currently owned by Chubu Electric Power Company, but was started in 1938 by Tenryu River Power Company, which was later merged with Yahagi Hydro Company. The 16 Chuden red crest gates are a spectacular sight. / Gravity concrete dam / 62.5m

Nagano Prefecture Dam

989-Taiwu Dam/Yasooka Dam

Taifu Dam is a gravity-type concrete dam built in 1935 by Yahagi Hydro Corporation, the successor to Momosuke Fukuzawa's will. The dam is now owned by Chubu Electric Power Co. The dam's curvaceous embankment is so beautiful that it has been selected as one of Japan's Modern Civil Engineering Heritages. The dam was used to supply 50-Hz electricity to eastern Japan in the aftermath of the Great East Japan Earthquake. / Gravity concrete dam / 50m

Nagano Prefecture Dam

1010-Miwa Dam / Nagano Pref.

The lower right bank was completely dried up and what looked like an incline in the back was not functioning. The real problem is not so much that it has dried up, but rather that the sediment is very bad. / Gravity Concrete / 69.1m

Nagano Prefecture Dam

1021-Kobushi Dam

The Kosibu Dam is the first arch-type dam in the Chubu region. It has been a long time since the Kurobe Dam, and this was my first visit to a large arch-type dam. However, on this day, maintenance work was being carried out on the gates, so we could not go beyond the center of the top edge... There are 5 crest gates, 2 coaster gates, and 2 conduit gates. / Arch / 105m

Nagano Prefecture Dam

1024-Matsugawa Dam

The composting problem unique to the Tenryu River system is also present in this Matsukawa Dam. Currently, the Matsukawa Dam redevelopment project is underway. There were signs about it here and there along the road leading to the Matsukawa Dam. / Gravity Concrete / 84.3m

Nagano Prefecture Dam

1011-Takato Dam

The ruins of Takato Castle are famous for its cherry blossoms. In fact, it is also famous for its autumn foliage. The Takato Dam is located in the vicinity of the ruins of Takato Castle. It is a small dam, so you might miss it. / Gravity Concrete / 30.9m

Nagano Prefecture Dam

1033-Yokogawa Dam / Nagano Pref.

The dam lake is frozen solid. It looks thickly frozen, but I think it is actually thin, so skating is definitely not allowed. Even though it was frozen, the water was discharged from the gate. / Gravity Concrete / 41m

Nagano Prefecture Dam

1034-Minowa Dam

The first dam of the "Sudden New Year's Day Dam Tour". Originally, I was just heading north to enjoy the snow drive! So we just kept going north, but when we saw the word "dam," we headed there on our own. / Gravity Concrete / 72m

Nagano Prefecture Dam

1174-Funaki Dam/Funagira Dam

The area around the embankment has been turned into an athletic park. It is a small dam, but a picnic with like-minded friends and family is a good idea. The lowest power generation dam of the rampaging Tenryu. / Gravity concrete dam / 24.5m

Shizuoka Prefecture Dam

1163-Akiba Dam

The power generation dam on the Tenryu River, which has a suspension bridge downstream and can be viewed directly from the bridge. As for the reading of this dam, some people involved in power supply development read it as "Akiha," while others pronounce it muddled as "Akiba," so which is true.... In the Japan Dam Association's dam handbook, it is "Akiha. Well, let's leave it as "Akiha". / Gravity concrete dam / 89m

Shizuoka Prefecture Dam

1171-Misakubo Dam

Abandoned concession stands, dilapidated gates, falling rocks seen everywhere.... The dam is full of danger. The toilets are also in a state of neglect. This desolate atmosphere is a nice touch (heart)! Lonely and abandoned dam! / Rockfill / 105.0m

Shizuoka Prefecture Dam

1160-Sakuma Dam

Without this dam, we can't talk about Kurobe Dam! It is a very famous dam. At the time of its construction, it boasted the highest embankment height and the largest amount of electricity generated in Japan. The design of the water intake also has a retro atmosphere. The Sakuma Dam was completed in three years, instead of 10 years, using second-hand large construction equipment imported from the United States. This is also said to be the first of its kind in Japan. / Gravity concrete dam / 155.5m

Shizuoka Prefecture Dam

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