| Große Lonau | |
|---|---|
| Location | Northeast of Lonau in Osterode am Harz district in Lower Saxony, |
| Basin features | |
| Main source | South of the Hanskühnenburg 730 m 51°43′29″N 10°24′23″E / 51.72472°N 10.40639°ECoordinates: 51°43′29″N 10°24′23″E / 51.72472°N 10.40639°E |
| River mouth | Confluence: with the Kleine Lonau to form the Lonau 339 m 51°41′24″N 10°21′33″E / 51.690028°N 10.359028°E |
| Progression | Lonau → Sieber → Oder → Rhume → Leine → Aller → Weser |
| River system | Weser |
| Basin size | 7.2 km² |
| Tributaries |
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| Physical characteristics | |
| Length | 6 km |
The Große Lonau is the left headstream of the River Lonau in Lower Saxony, Germany.
It rises at an elevation of 730 m in the vicinity of the Hanskühnenburg on the ridge of Auf dem Acker. Then it flows mostly in a south-southwest direction to Lonau, where it merges with the Kleine Lonau to form the Lonau. The Große Lonau is 6 km long, 1.8 km longer than the Kleine Lonau.