The Tonna is a stream in the Thuringian Basin, Germany.
| Tonna | |
|---|---|
 Tonna in Burgtonna | |
 | |
| Location | |
| Country | Germany |
| State | Thuringia |
| Physical characteristics | |
| Source | near Ballstädt |
| • elevation | 337 m (1,106 ft) [1] |
| Mouth | Unstrut |
• coordinates | 51°06′25″N 10°43′02″E / 51.1069°N 10.7172°E |
• elevation | 161.1 m (529 ft) [1] |
| Length | 10 km (6.2 mi) |
| Basin features | |
| Progression | Elbe→ North Sea |
| River system | Elbe |
The Tonna rises on the southern outskirts of Ballstädt in the district of Gotha and flows on the western edge of the Fahner Höhe in a northern direction through the municipality of Tonna for around 10 kilometres (6 mi), after which it flows into the Unstrut river near the Bad Langensalza quarter of Nägelstedt.[2]