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Hot springs in Kosaka, Japan

We list 3 hot springs in Kosaka. 0 are recorded as free to soak; 3 not recorded yet.

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0with fee recorded

0with season recorded

0with status recorded

All 3 hot springs in Kosaka

Akashiya-soあかしや荘Kosaka, Japan Hachikuro Onsen八九郎温泉Kosaka, Japan Wakakidachi Onsen若木立温泉Kosaka, Japan

Kosaka questions

How many hot springs are listed in Kosaka, Japan?: The Soak Atlas lists 3 hot springs in Kosaka, including Akashiya-so, Hachikuro Onsen, Wakakidachi Onsen.

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Before you soak

Information only, not safety advice. Conditions, access, fees and closures change without notice, and water temperature and quality are not monitored by us. You soak at your own risk: check the status link and posted rules on site before you go. We accept no liability for injury, loss or trespass.

Naegleria fowleri, a rare but nearly always fatal brain-infecting ameba, “thrives in warm freshwater lakes, rivers, and hot springs.” CDC advice: “Always keep your head above water in hot springs.” CDC, Naegleria fowleri Infections (page dated July 21, 2025) · read Oct 2026

Thermal water can scald. In Yellowstone, “Burns from thermal features are a common cause of serious injury and death in the park” and “it is illegal to swim or bathe in any water that is entirely of thermal origin.” We exclude springs inside Yellowstone, Lassen Volcanic and Hawaiʻi Volcanoes national parks. US National Park Service, Yellowstone safety page · read Oct 2026