Sakamoto Hachiryu Observatory
さかもと八竜天文台
Yatsushiro, Kumamoto, Yatsushiro/SakamotoCool spotsMade for going solo

No booking; the planetarium has no set times and staff guide you on request. You lie down to watch, capacity about 10. On a mountaintop: check the route on the official site.
- Address:
- 335-2 Ha, Sakamotomachi Nakatani (坂本町中谷は), Yatsushiro, Kumamoto
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- 13:00-22:00 (reception until 21:30), closed Tue/Wed (summer holidays: Tue only; open on holidays, closed next day)
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- Adults ¥310, children (high school and under) ¥150, preschoolers free (cash only)
Details can change. Before you go, please check the official site for current hours and prices.