SpringsAtlas

Japan · Kyushu

Hot springs in Unzen

2Springs
102°CAvg temp
2Public baths
0Free entry
2Near train
25 hotels nearby27 dining options nearby10 convenience stores nearby21 attractions nearby
Obama Onsen, Unzen

Obama Onsen

Unzen · Kyushu

105°CPublic Bath

A small hot spring town on the Shimabara Peninsula in Nagasaki Prefecture, set at the foot of Mount Unzen with views across the Shimabara Straits. The springs here are among the hottest in Japan, reaching 105 degrees Celsius. The famous 105-meter outdoor footbath on the seafront is the longest in Japan and open to all visitors free of charge.

Obama · 0 km

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Unzen Onsen, Unzen

Unzen Onsen

Unzen · Kyushu

98°CPublic Bath

A highland onsen in Unzen-Amakusa National Park at around 700 meters elevation. The dramatic sulfurous steam vents known as the Jigoku, or Hell Grounds, are the defining feature: they bubble, hiss, and release clouds of white vapor across the landscape. The water here is strongly acidic and celebrated for its skin-healing properties.

青雲荘 · 0.4 km

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Common questions

Frequently asked questions

Most hot springs in Unzen charge an entrance fee. Check individual listings for the most current pricing information.

Hot springs in Unzen average around 102°C. Individual springs range from relaxing warm baths to intensely hot therapeutic pools — always check the temperature rating before entering.

From Fukuoka, take the Nagasaki Main Line to Isahaya (about 30 min). Bus to Unzen Onsen (~60 min). Total journey time is approximately 100 minutes.

Yes. Unzen has 2 public baths well-suited to first-time onsen visitors. Rinse thoroughly before entering, no swimming, and keep noise to a minimum.

Spring through summer. Azaleas bloom May–June. is considered the ideal time to visit Unzen. Hot springs are a year-round attraction — winter visits are especially popular as the contrast between cold air and hot water creates a uniquely atmospheric soak.

About

About hot springs in Unzen

Volcanic mountain town in a national park, famous for sulfurous steam vents (Jigoku), highland hiking, and acidic hot springs.