Japan’s best onsen destinations combine volcanic mineral waters, regional bathing traditions, and seasonal scenery that changes dramatically throughout the year. In this guide, you’ll discover some of the most iconic hot spring towns in Japan, what makes each region special, how onsen water types differ, and practical tips for choosing the right onsen experience for your trip. From sulfur-rich baths in Gunma to gold-colored springs in Hyogo, these destinations represent the heart of Japan’s bathing culture and its deep connection to nature. Kusatsu Onsen (Gunma) – Japan’s Most Famous Sulfur Springs Kusatsu Onsen is consistently ranked among Japan’s top ...
