Natural SceneryWaterfront
Atera Valley
Experience the mystical beauty of emerald green waters and ancient forests in the heart of the Kiso Road heritage site.
Guide7 min read
Atera Valley is a vital part of the "Kiso Road" Japan Heritage site, located in Ohkuwa Village, Nagano Prefecture. The valley's most striking feature is its crystal-clear, emerald green river.
What makes it special
Emerald Green RiverKiso ForestBigan-sui LegendNatural LandscapesKiso Road Heritage
About Atera Valley
- Emerald Green Waters: Experience the breathtaking clarity of the river up close.
- Natural Formations: Witness the dynamic beauty of the Hinoki cypress forests and steep rock walls.
- Legendary Spring: Discover the "Bigan-sui" spring, famous for its legendary beauty-enhancing properties.
- Seasonal Beauty: Visit during autumn for stunning foliage or spring for fresh greenery.
Photo gallery
All photos
Weather forecast
Mon
11/2
12°/7°
100%
Tue
11/3
16°/5°
14%
Wed
11/4
17°/4°
21%
Thu
11/5
16°/9°
88%
Fri
11/6
18°/5°
67%
Sat
11/7
9°/-1°
8%
Sun
11/8
13°/-2°
6%
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