Museum
Collaboration of natural beauty and art that changes with the seasons.
One of Echigo-Tsumari's representative sights, the Kiyotsukyo Valley Tunnel has been refurbished by fusing it with art works. A tunnel with a total length of 750m is likened to a submarine cut off from the outside world.
*Advance reservations are required during peak seasons (GW, consecutive holidays, Obon, and autumn foliage season).