長崎県 · Kyushu Region
Nagasaki Hidden Gems
2 spots
Nagasaki· Unzen
Obama Onsen — Longest Hot Spring Footbath in Japan
Obama Onsen is a coastal hot spring town facing the Tachibana Bay, known for having the highest water temperature of any…
Obama onsenlongest footbathcoastal onsen+2
Updated Jun 2026
Nagasaki· Unzen
Unzen Jigoku (Unzen Hell) — Active Volcanic Vents
Unzen Jigoku is a 500-meter-wide field of active volcanic vents on the slopes of Mt. Unzen, emitting sulfurous steam at…
volcanic ventsJigokusulfur+2
Updated Jun 2026