
The Great Fountain of Lake Gassako
Flow of the course
About 15 min from the previous stop
About 60 min here
About 15 min to the next stop
Next stop: Take a break and wash off your sweat at a local hot spring facilityAbout this spot
This is the dam lake created by the Gassan Dam (月山ダム). A quiet water surface surrounded by mountains spreads out, and even in summer the breeze feels pleasantly cool. An observation area is set up along the lakeshore, letting families relax and take in the scenery together. It's a spot where you can forget the bustle of the city and enjoy the calm of a mountain valley.
Tips
Travel by car from Michi-no-Eki Nishikawa (道の駅にしかわ). There's little shade around the observation area, so a hat is reassuring to have.
Best time to visit
About 1 hour. In the clear afternoon air, the greenery of the mountains stands out beautifully.
How was this spot?
Access & map
〒990-0732 山形県西村山郡西川町砂子関月 山 湖
Model course featuring this spot

2026 Nishikawa Summer Festival: A Full-Day Course
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