Otani Sanso Bekkan Otozure (大谷山荘別邸 音信(おとずれ))
Flow of the course
About 150 min here
About this spot
An astronomical dome attached to the 8th floor of Otani Sanso's Fuyo guest wing. Through a specialized telescope, you can observe seasonal stars such as the Perseid meteor shower and summer astronomical shows. Held daily from 19:30 to 22:10 (closed Tuesdays for maintenance), free and limited to hotel guests.
Season & hours
Name: 大谷山荘 天体ドーム
Venue: 大谷山荘 天体ドーム
Tips
Reservations are required in advance — book through the reservation center before your stay, or at the front desk on the day. If the weather is poor, past observation footage is shown instead. As it's a guests-only facility, it cannot be used for day trips.
Best time to visit
Evening, during the 19:30-22:10 session
How was this spot?
Access & map
〒759-4103 2208 Fukawa Yumoto, Nagato-shi, Yamaguchi
Model course featuring this spot

2026 Full-Day Starry Sky Course at Otani Sanso's Astronomical Dome
Yamaguchi
Explore features & model courses
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