This site is a web media that delivers all kinds of trivia, from sightseeing and gourmet spots in the six Tohoku prefectures to local, customs, and history.
There are two dams in Nagai city, Yamagata prefecture. They play important roles such as generating electricity (power plants) which is essential for the daily lives of the residents, and controlling floods caused by heavy rain
The dam lake is a treasure trove of nature, and visitors can enjoy picking wild vegetables and fishing nearby
Nagai City is famous as a city of water, and we will introduce you to its parent dam, the Nagai Dam "Hyakuakiko," and the Kijiyama Dam located upstream
Enjoy the natural beauty of Lake Nagai Hyakushu (Nagai Dam) with a guide!
Nagai Dam
In Nagai City, Yamagata Prefecture, there is the Tsu Dam Lake upstream of the Nogawa River, a tributary of the Mogami River
One of these, near the Mibuchi Valley, is Nagai Hyakushu Lake (Nagai Dam), which is a popular spot where you can enjoy summer leisure activities such as amphibious buses, boats, and canoes
This is a relatively new dam lake, completed in 2011, and is one of the largest dams in the Tohoku region
Nagai Dam was built by submerging the Sugano Dam on the Okitama River, making it larger and increasing the amount of water stored. The lake that was created by the Nagai Dam is Lake Nagai Hyakuaki
With spectacular views of the four seasons and water sports to enjoy, it seems that there is no end to the number of people visiting from inside and outside the prefecture on holidays
Event period: June 9, 2023 (Mon) - August 6, 2023 (Sun)
Phone number: 0238-88-1831
Google Map
Pedestrian bicycle experience
The water bicycles that can be experienced at Lake Hyakushu are apparently popular. You can pedal around the majestic lake yourself, and an instructor will be on hand so you can enjoy the experience with peace of mind
You may work up a slight sweat while pedaling, but the cool breeze blowing across the lake will feel pleasant
Spending time in nature seems to make all your daily fatigue disappear in an instant
There is also a canoeing experience, which is an essential part of water leisure activities. Unlike a river, you can leisurely move along the calm waters, which will make you forget the passage of time and feel relaxed
The mystical Mibuchi Valley, a popular power spot
If you go upstream from Lake Hyakushu, you will find Mibuchi Valley, a gorge with sheer cliffs over 50 meters high stretching for over 200 meters. This gorge has a mystical atmosphere and can only be reached by boat
Kijiyama Dam (Nogawa Valley), located upstream, is also a must-see spot!
This prefectural dam was constructed in 1960 on the upper reaches of the Okitama Nogawa River for the purposes of flood control, power generation, and agricultural water use. It is small, with a dam body measuring 46m high and 168.2m long, but it is a rare hollow gravity concrete dam, and is one of only two such dams in the prefecture, the other being Zao Dam
It is also popular among dam enthusiasts, and is known for distributing "dam cards," although only on weekdays
The dam lake, filled with cool, refreshing water, offers a spectacular view of Mount Shukube, known as the Matterhorn of Tohoku, and the lake water is channeled to the Nogawa No. 2 Power Station to generate electricity
The beauty of each season is overwhelming
The beauty of the autumn leaves around the dam lake is truly breathtaking. The area is untouched by plantations of cedar trees and other trees, leaving it in its natural state, and is also known for its beautiful virgin beech forest
Speaking of beautiful autumn leaves, the new green leaves are also a sight to behold
Furthermore, the untouched mountains around the dam lake are a treasure trove of wild vegetables, and are bustling with many visitors from late May to June
It is also well known as a very popular area for mountain stream fishing
Kijiyama Dam＜Information＞
Name: Kijiyama Dam
Address: Kusaoka Okezawa, Nagai City, Yamagata Prefecture, 993-0063
There are dam lakes all over Japan, but it is rare for one city to have two dams
The dam lakes in Nagai City, Yamagata Prefecture, are located upstream of the Nogawa River. There are two dam lakes: Kijiyama Dam, which can be seen with the mountain known as the Matterhorn of Tohoku (Mount Iwabe) in the background, and Nagai Dam, which is located a little downstream
The reservoir lake of Nagai Dam is called Nagai Hyakuaki Lake and is popular as a place to enjoy summer leisure activities
Furthermore, there is the Mibuchi Valley, a tributary of the Nogawa River that is known as a power spot and is known for its mystical scenery, and there are many other attractions
It might be a good idea to go there in the summer to cool off
I'm originally from Tokyo, but I've lived in Yamagata Prefecture for 30 years. Nowadays, I am able to speak the dialect and become a local. He goes to the nearby prefectures of Miyagi and Fukushima about two to three days a month to gather information. I belong to the middle-aged group who loves cats, local sake, and side dishes. (The icon is a beloved cat)
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