Tochigi–Gunma–Saitama border
Sankenkyō (三県境) | |
The monument on the tripoint | |
Interactive map of Tochigi–Gunma–Saitama border | |
| Coordinates | 36°12′27″N 139°39′50″E / 36.20750°N 139.66389°E |
|---|---|
| Opening date | March 31, 2016 |
The Tochigi–Gunma–Saitama border or the Tochigi–Gunma–Saitama tripoint (Japanese: 栃木・群馬・埼玉の三県境, Hepburn: Tochigi-Gunma-Saitama no Sankenkyō) or simply Sankenkyō (三県境; lit. "Three prefectural borders") is a tripoint between Tochigi Prefecture, Gunma Prefecture, and Saitama Prefecture in Japan. It is the only tripoint in Japan that is not located on a mountain or a river.