Obwa
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Obwa О́бва |
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| Data | ||
| Water code | RU : 10010100912111100009226 | |
| location | Perm Region ( Russia ) | |
| River system | Volga | |
| Drain over | Kama → Volga → Caspian Sea | |
| source | Eastern flank of the Kama Heights 58 ° 43 ′ 49 ″ N , 53 ° 51 ′ 14 ″ E |
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| muzzle |
Kamastausee Coordinates: 58 ° 32 '20 " N , 55 ° 27' 6" E 58 ° 32 '20 " N , 55 ° 27' 6" E |
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| Mouth height | approx. 108 m
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| length | 247 km | |
| Catchment area | 6720 km² | |
| Drain |
MQ |
41.7 m³ / s |
| Left tributaries | Jawa , nerdwa | |
| Right tributaries | Siwa , boy , Lyswa | |
| Small towns | Karagai | |
 Course of the Obwa (О́бва) in the catchment area of the Kama |
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The Obwa ( Russian О́бва ) is a right tributary of the Kama in the Russian region of Perm .
The Obwa rises on the eastern flank of the Kama Heights . It initially flows in a south-easterly direction, later it turns to the northeast. Finally it reaches a southwest bay of the Kama reservoir and flows into it. The Obwa flows through the administrative districts of Siwa , Karagai and Ilyinsky . The Obwa is very winding in the lower reaches. The largest city on the river is the Karagai Rajon Administrative Center . The main tributaries of the Obwa are the Jawa and Nerdwa from the left, and the Siwa , Bub and Lyswa from the right.
The Obwa has a length of 247 km. Its catchment area covers 6720 km². It is mainly fed by the snowmelt . The mean discharge is 41.7 m³ / s. At the end of October / November the river freezes. At the end of April / beginning of May the Obwa is usually free of ice again.