Lanzenbach (Steinbach)
| Lanzenbach | ||
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 Lanzenbach at the outlet from the Pollinger Weiher  | 
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| Data | ||
| Water code | EN :? | |
| location | Starnberg District , Upper Bavaria , Bavaria , Germany | |
| River system | Danube | |
| Drain over | Steinbach (Starnberger See) → Starnberger See → Würm (Amper) → Amper → Isar → Danube → Black Sea | |
| origin | east of Obersöchering  47 ° 45 ′ 8 ″ N , 11 ° 14 ′ 45 ″ E  | 
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| Source height | 672 m above sea level NHN | |
| muzzle | in the Steinbach near Steinbach Coordinates: 47 ° 45 ′ 56 "  N , 11 ° 18 ′ 5"  E 47 ° 45 ′ 56 "  N , 11 ° 18 ′ 5"  E | 
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| Mouth height | 604 m above sea level NHN | |
| Height difference | 68 m | |
| Bottom slope | approx. 12 ‰ | |
| length | approx. 5.8 km | |
| Communities | Obersöchering , Antdorf , Iffeldorf | |
The Lanzenbach is an approximately 6 km long tributary of the Steinbach in Upper Bavaria . The Lanzenbach originates from the Obersöcheringer hamlet Hachtsee , and after a short run it is dammed up to the Pollinger Weiher . It leaves this and then flows largely eastwards to flow into the tributary of the same name to the Osterseen near the hamlet of Steinbach .