Obscha
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Obscha О́бша |
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| Data | ||
| location | Tver , Smolensk ( Russia ) | |
| River system | Daugava | |
| Drain over | Mesha → Daugava → Baltic Sea | |
| source |
Heights of Bely ( Smolensk Heights ) 55 ° 51 ′ 30 ″ N , 33 ° 50 ′ 27 ″ E |
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| muzzle |
Mescha coordinates: 55 ° 54 '59 " N , 32 ° 31' 36" E 55 ° 54 '59 " N , 32 ° 31' 36" E
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| length | 153 km | |
| Catchment area | 2080 km² | |
| Outflow location: 47 km above the mouth |
MQ |
11.5 m³ / s |
| Left tributaries | Belaja, Natscha | |
| Right tributaries | Lba | |
| Small towns | Bely | |
The Obscha ( Russian О́бша ) is a left tributary of the Mescha in the Russian oblasts of Tver and Smolensk .
The Obscha rises on the heights of Bely , a foothill of the Smolensk Heights , in the Tver Oblast. It flows in a predominantly westward direction into the Smolensk Oblast. She passes the small town of Bely . 30 km west of Bely the Obsha River eventually flows into the Daugava creek Mesha.
The Obscha has a length of 153 km. It drains an area of 2080 km². It is mainly fed by the snowmelt . The mean discharge 47 km above the mouth is 11.5 m³ / s. The river is ice-covered between November and the end of March / April.