About this event
Held on Saturday, September 26, 2026, at 'Kodai no Oka Jomon Village' in Nagai City, Yamagata Prefecture, 'Sangaku Neppu' is an experiential outdoor festival blending music, sauna, shisha, and outdoor activities in the great outdoors. Based on the concept of JOMON, MUSIC, SAUNA, SHISHA, and OUTDOOR, guests can enjoy outdoor live music by DJs, supreme relaxation in the Jomon 'BIG' sauna and tent saunas, cold plunge baths using 100% Nagai water, and open-air bathing in fresh natural air. Diverse food and drink booths will be at the venue to enliven the festival. After the event concludes, overnight camping at the venue is also possible, allowing for a special night under a star-filled sky. In addition to enjoying authentic shisha (hookah) in an open-air setting, an exhilarating activity driving 4WD buggies on unpaved forest roads and natural trails is also available. Featuring a unique concept incorporating the essence of Jomon culture, this will be an unforgettable day not only for outdoor enthusiasts but also for anyone seeking music, saunas, and extraordinary experiences.
Official website (Japanese) ↗Venue
Nagai City Ancient Hill Museum
2768-1 Kusaoka, Nagai, Yamagata 993-0063
Open in Google Maps ↗