thumb|160px|6 former municipalities merged to create the new [[Uonuma, Niigata|Uonuma City]]

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

As of 2003, the village had an estimated population of 4,663 and a density of 38.85 persons per km<sup>2</sup>. The total area was 120.03&nbsp;km<sup>2</sup>.

On November 1, 2004, Sumon, along with the towns of Horinouchi and Koide, and the villages of Hirokami, Irihirose and Yunotani (all from Kitauonuma District), was merged to create the city of Uonuma.

Transportation

Railway

20px JR East - Tadami Line

  • -

Highway

See also

  • Uonuma

References

  • Uonuma Tourist Association