Tista
| Tista Tistedalselv, Tistedalselva | |
|---|---|
| Location | |
| Country | Norway |
| County | Østfold |
| Municipality | Halden |
| Physical characteristics | |
| Source | Femsjøen lake |
| • location | Halden |
| • coordinates | 59°8′4″N 11°27′41″E / 59.13444°N 11.46139°E |
| Mouth | Iddefjord |
• location | Halden |
• coordinates | 59°03′N 11°24′E / 59.050°N 11.400°E |
| Length | 5 km (3.1 mi) |
| Basin features | |
| River system | Haldenvassdraget |
| Landmarks | Fredriksten fortress |
Tista, also called Tistedalselva or Tistakanalen, is a river in Halden municipality, in Østfold county, Norway. It is the main river in the Haldenvassdraget system and flows from Femsjøen lake to Iddefjorden fjord. The river is less than 5 km long, calculated from the dam in Femsjøen to the mouth of the fjord.