諏訪湖間欠泉センター
Suwa, Japan
A once an hour 10-min eruption. See the website for exact times.
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諏訪高島城
This castle is quite nice but lacks English signs.
高島公園
The park is especially enjoyable in cherry blossom season.
霧ヶ峰
Look at flowers at this volcano.
八ヶ岳