Best Onsen & Sento in Tokyo 2025: Traditional Japanese Bathing Guide

Tokyo's bathing culture is one of the city's most distinctive and accessible pleasures — from the neighbourhood sento (public bathhouses) that have served local communities for generations to the modern super-sento mega-facilities with multiple pools, saunas, and relaxation rooms. Day trips to the natural onsen (hot spring) towns of Hakone, Nikko, and Atami add extraordinary traditional bathing experiences within 90 minutes of the city centre.