This is a lake formed by a dam located at 1,513 m above sea level and circled by 2,000 m high mountains. Located amidst of environment with an abundant variety of mountains, lake water, marshes, and grasslands, about 300 species of alpine plants brighten up the lakeshore in each season.
- Location: Iriyama, Nakanojo-machi, Agatsuma-gun, Gunma
- Tel：+81-279-95-3111 (Kuni Branch Office, Nakanojo Town)
- ▼Best time to see autumnal foliage: Mid-September to mid-October
▼Best time to see Japanese azalea: Mid-June to early July
▼Best time to see Nozori-kisuge: Mid- to late July
- ・ About70 minutes by bus from Naganoharakusatsuguchi Station on JR Agatsuma Line
・ About 2 hours 15 minutes by car from Shibukawa-Ikaho IC of Kan-Etsu Expressway
Visitor experiences* The information below is quoted from that of TripAdvisor.
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