Fuji Rock Festival is an annual rock festival held in Naeba Ski Resort, in Niigata Prefecture, Japan. The three-day event, organized by Smash Japan, features more than 200 Japanese and international musicians, making it the largest outdoor music event in Japan. In 2005, more than 100,000 people attended the festival. Fuji Rock Festival is named so because the first event in 1997 was held at the base of Mount Fuji. Since 1999 the festival has been held at the Naeba Ski Resort in Yuzawa, Niigata.