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Hot spring
Hoshino Onsen · Tonbo no Yu
星野温泉;トンボの湯
Karuizawa, Japan
Photo: 663highland, Wikimedia Commons, CC BY 2.5
Plan your visit
- Developed pools
- Yes
Sources
Location 36.362814, 138.589098. Source: OpenStreetMap, Oct 2026 · Wikidata Q11513153 · merged 3 duplicate map points. Map data © OpenStreetMap contributors.
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