Hot springs & stays
Komoro Grand Castle Hotel
小諸グランドキャッスルホテル
A hotel beside Kaikoen with the Komoro Onsen Blue Sky bath and confirmed day-use bathing.
Plan your visit
- Hours
- Day bathing 15:00–21:00
- Admission
- Adult ¥500; child ¥350
- Address
- 1-1-5 Kojo, Komoro, Nagano 384-0032
- Phone
- +81-570-082-780
. Schedules and prices can change, so confirm before making a special trip.
Getting there
About a 5-minute walk from Komoro Station; 452 m straight-line from Komoro Station. Open the walking map for the route from your current location.
Nearby places
- Tōson Memorial Museum 152 m away
- Koyama Keizo Museum of Art 195 m away
- Kusabue Honten 275 m away
Sources
References: C103, C108, C114, C157
Visitor details were checked against the place operator, municipal or tourism listing, or a current directory on 10 August 2026. Confirm changes directly with the venue.