Tōkamachi (十日町市 Tōkamachi-shi) is a city in Niigata Prefecture , Japan . As of April 30, 2011, the city has an estimated population of 59,649 and a population density of 101.11 persons per km². The total area is 589.92 km², including the post-creation undefined boundary areas. Tokamachi is home to the Tokamachi Snow Festival, which takes place every February. It is the snow festival with the oldest history in Japan. Tokamachi also hosts the Echigo-Tsumari Art Triennial. [1][2]Kinare, an Echigo-Tsumari Art Triennial site, late March