was a town located in Kitauonuma District, Niigata Prefecture, Japan.

As of 2003, the town had an estimated population of 5,549 and a density of 110.91 persons per km2. The total area was 50.03 km2.

During the 2004 Chūetsu earthquake, Kawaguchi was the only town to report the maximum value of 7 on the Japan Meteorological Agency seismic intensity scale.

On March 31, 2010, Kawaguchi was merged into the expanded city of Nagaoka.

Transportation Railway JR East - Jōetsu Line

JR East - Iiyama Line Echigo-Kawaguchi

Highway Kan-etsu Expressway – Echigo-Kawaguchi IC/SA

References

See also 2004 Chūetsu earthquake