Kawanishi, Niigata
Kawanishi was a town located in Nakauonuma District, Niigata Prefecture, Japan.
As of 2003, the town had an estimated population of 7,829 and a density of 106.44 persons per km2. The total area was 73.55 km2.
On April 1, 2005, Kawanishi, along with the towns of Matsudai and Matsunoyama, and the village of Nakasato, was merged into the expanded city of Tōkamachi.