Altmühl
| Altmühl | |
|---|---|
| The Altmühl as part of the Main-Donau-Kanal near Riedenburg | |
| Map with the Altmühl highlighted | |
| Location | |
| Country | Germany | 
| Physical characteristics | |
| Source | |
| • location | Middle Franconia | 
| Mouth | |
|  • location | Danube at Kelheim | 
|  • coordinates | 48°54′37″N 11°54′25″E / 48.91028°N 11.90694°E | 
| Length | 226.9 km (141.0 mi) | 
| Basin size | 3,258 km2 (1,258 sq mi) | 
| Discharge | |
| • average | 24.3 m3/s (860 cu ft/s) | 
| Basin features | |
| Progression | Danube→ Black Sea | 
The Altmühl (German pronunciation: [ˈaltˌmyːl] ⓘ, Latin: Alchmona, Alcmana, Almonus) is a river in Bavaria, Germany. It is a left tributary of the river Danube and is approximately 230 kilometres (140 mi) long.