Summer Music Festival Held in Eastern Japan [2026]

“CHIKAKARA ZAO” is a music festival hosted by the idol group anew, which flies around the country with an alternative-centered, highly eclectic musical style. The venue is Takiyama Studio, nestled in Zao Onsen, Yamagata City. The official concept is to “build the best village for 200 people only, and make it real for just three days,” positioning it as a stay-over festival with a strong sense of community that takes advantage of its nature-surrounded setting. The main event will be held on July 19, 2026.

Iwafu Rock ~Onsen Town Circuit Fest~ is a circuit-style music festival set in Iwaki Yumoto Onsen, Iwaki City, Fukushima Prefecture, organized by singer-songwriter Hiroki Iwafune. With a format that takes you around four venues—Yumezakura, Sakura Cafe, the 2nd floor of Onsen Ryokan Koito, and Guesthouse hace—the hot spring town itself becomes a live music stage. Around 20 acts, including Sekai Ichikawa, Masayuki Takemori (ColorBottle), and Takayuki Fujii (onsoku line), will perform, and the event will be held in June 2026.

“rural” is an open-air electronic music festival held at the “nowhere CAMP” campground on the Numajiri Plateau in Inawashiro, Fukushima Prefecture. Under its official banner “A Peak Experience,” it centers on the uninterrupted flow of sound that continues through the night from the second day, and the dawn experience of greeting the sunrise. The appeal lies in enjoying the sounds of DJs gathered from around the world, in a free-form style amid nature surrounded by hot springs and forests. In 2026, it will take place from July 17 to 20.

This is an outdoor camping festival held at Tenjin Beach Auto Campground in Inawashiro, Fukushima Prefecture. Officially described as an event where the magazine GO OUT leaps off the pages to package a time in the heart of nature featuring live music, activities, and shopping. Signature highlights include beach activities unique to the shores of Lake Inawashiro and a grand fireworks display launched from the lake. In 2026, it will be held over three days from July 31 to August 2.

“Spa Jazz Una” is a circuit-style jazz event held in the hot spring town of Unazuki Onsen in Kurobe City, Toyama Prefecture. With multiple stages set around the town—including the public bath Yumedorokoro Unazuki—musicians active both within and beyond the prefecture gather in Unazuki to perform a series of free, open-to-all live shows. In 2026, it will take place on June 13, offering a uniquely hot-spring-town musical experience where visitors can stroll through the streets and enjoy a wide variety of live jazz performances.