was a town located in Shimotsuga District, Tochigi Prefecture, Japan. As of 2013, the town had an estimated population of 18,152 and a density of persons per km². The total area was 46.74 km². On April 5, 2014, Iwafune was merged into the expanded city of Tochigi. Transportation Railway JR East: Ryōmō Line (Iwafune Station) Tobu Railway: Nikkō Line (Shizuwa Station) Road Route 50 References External links Dissolved municipalities of Tochigi Prefecture