Top 15 Kanto & Regional Onsen Towns (Ranked by Guest Ratings)
Japan's Kanto region and its surrounding areas combine dramatic volcanic landscapes, rich histories, and legendary thermal waters. From the sulfur vents of Kusatsu to urban hot springs hidden right in downtown Tokyo, here is the ultimate traveler's guide to the top 15 Kanto hot spring towns—ranked by guest satisfaction and vintage charm—along with 5 top-rated natural hot springs in Tokyo city. 💡 Note: Admission fees and transport schedules may change depending on local conditions or seasons. Always check the official websites before your visit. Top 15 Kanto & Regional Onsen Towns (Ranked by Guest Ratings) 1. Kusatsu Onsen (Gunma Prefecture) History & Origins: Legend says Kusatsu was discovered in 1193 by warlord Minamoto no Yoritomo, while other accounts credit the 8th-century monk Gyoki. During the Edo Period, it ranked at the absolute top of Japan’s hot spring hierarchy ( Onsen Banzuke ). Shoguns even had its healing waters bottled and transported directly to Edo ...