Activities
[September Only] Free-Flow Drinks Included! 22-Hour Hoshino Area Stay Plan
- Availability：
- Sep 1, 2026 – Sep 30
September only! Enjoy Karuizawa to the fullest with our special plan: ¥3,000 area voucher, breakfast, unlimited hot spring access & free-flow drinks.
Tombo no yu – Onsen
- Availability：
- All year
This is known as the "Beautiful Skin Hot Spring." The onsen water is enjoyed straight from the source, as it is neither circulated nor diluted.
Hoshino Area Loop-line Bus
- Availability：
- All year
You can use it to go to the hot spring or Harunire Terrace.