Rainbow Disco Club 2026 at Higashi Izu Cross Country Course on Japan’s Izu Peninsula is more than a festival, it is a rite of passage for underground electronic music fans. Across three days of open air house, techno, disco, and ambient, the festival blends deep curated DJ sets with lush natural surroundings, camping, curated food, and a community driven atmosphere. Now in its 17th year, Rainbow Disco Club remains a rare meeting point of nature, sound, and culture, where every set feels intentional and every moment lingers long after the weekend ends.