For years, finding tattoo-friendly onsens in Tokyo felt almost impossible. Travelers arriving in Japan with even the smallest tattoo often heard the same warning: traditional hot springs and bathhouses might refuse entry. Although attitudes have gradually changed, tattoos still carry cultural associations that date back centuries, making many visitors wonder whether they will be allowed to enjoy one of Japan’s most beloved traditions. Fortunately, modern Tokyo offers far more options than it did a decade ago. Today, visitors can find an increasing number of onsens that allow tattoos in Tokyo, ranging from historic bathhouses to luxury spa complexes and natural hot springs on the outskirts of the city. Some facilities…