- Hidaka Town Council | Hidaka Town Office, 210-1 Monbetsu Honcho, Hidaka-cho, Saryu-gun, Hokkaido 059-2121
Rivers
- Tomihama, Saru River left bank 0.4KP | Saru River Tomihama CCTV, Tomihama, Hidaka-cho, Saryu-gun, Hokkaido 055-0005 | Hokkaido Development Bureau
- Estuary Right Bank Embankment, Saru River right bank 0.6KP | Right bank of Saru River estuary CCTV, 5-chome Tomikawa Minami, Hidaka-cho, Saru-gun, Hokkaido 055-0006 | Hokkaido Development Bureau
- Saru River Bridge downstream, Saru River right bank 2.7KP | 1-chome Tomikawa Minami, Hidaka-cho, Saryu-gun, Hokkaido 055-0006 | Hokkaido Development Bureau
- Saru River 3.4KP Left Bank | 1-chome Tomikawa Higashi, Hidaka-cho, Saryu-gun, Hokkaido 055-0004 | Ministry of Land, Infrastructure, Transport and Tourism
- Sakaemachi, Saru River right bank 3.6KP | Sarukawaei-cho CCTV, 1-1 Tomikawakita, Hidaka-cho, Saru-gun, Hokkaido 055-0001 | Hokkaido Development Bureau
- Tomikawa G Gate, Saru River Right Bank 6.1KP | Hiraga, Hidaka-cho, Saryu-gun, Hokkaido 055-0002 | Hokkaido Development Bureau