Japan by Prefecture Gunma KandoFebruary 5, 2026May 15, 2026

Kusatsu Onsen Complete Guide: Japan’s Most Famous Hot Spring Town Explained

Kusatsu Onsen is often introduced as one of Japan’s top three hot spring towns, and for many travelers, it becomes their first true onsen experience. Located in the mountains of Gunma Prefecture, Kusatsu is famous for its powerful hot spring water, traditional townscape, and long …

Japan Travel Advice Gunma Kando Seasonal HighlightsJanuary 27, 2026May 15, 2026

Gunma Onsen and Kusatsu’s Enduring Hot Spring Traditions

Among all the hot spring towns in Gunma, Kusatsu Onsen stands as the most widely recognized and deeply symbolic. Frequently ranked among Japan’s top onsen destinations, Kusatsu represents the heart of Gunma Onsen culture, where powerful waters, long-standing rituals, and town life revolve entirely around …