Kasplja
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Kasplja Ка́спля |
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| Data | ||
| location |
Smolensk Oblast ( Russia ), Woblasz Wizebsk ( Belarus ) |
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| River system | Daugava | |
| Drain over | Düna → Baltic Sea | |
| origin |
Kasplja Lake on the Vitebsk Heights 54 ° 59 ′ 0 ″ N , 31 ° 37 ′ 20 ″ E |
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| muzzle |
Düna coordinates: 55 ° 24 ′ 31 ″ N , 30 ° 43 ′ 9 ″ E 55 ° 24 ′ 31 ″ N , 30 ° 43 ′ 9 ″ E
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| length | 136 km | |
| Catchment area | 5410 km² | |
| Discharge at the Lepino gauge Location: 13 km above the mouth |
MQ |
39.6 m³ / s |
| Right tributaries | Gobsa , Scherespeia | |
| Small towns | Demidow | |
| Communities | Surash | |
 Location of the Kasplja (Ка́спля) in the catchment area of the Daugava |
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The Kasplya River ( Russian and Belarusian Каспля ) is a left tributary of the Daugava River in the Russian Smolensk Oblast and in the Belarusian Woblasz Vitebsk .
The Kasplja has its origin in the small Kasplja Lake in the Smolensk Oblast, about 35 km northwest of the city of Smolensk . It flows mainly in a westerly direction. The Gobsa flows into the Kasplja on the right in Demidow . The Kasplja reaches Belarusian territory about 15 km above its mouth. It finally flows into the Daugava at Surasch .
The Kasplja has a length of 136 km. It drains an area of 5410 km². The river is mainly fed by the snowmelt . The mean discharge at Lepino , 13 km above the estuary, is 39.6 m³ / s.
In the Middle Ages , an important trade route led from the Baltic Sea via the Western Dvina to the Kasplja, from there the boats were transported overland ( portage ) to the Dnieper near Gnesdowo ( Smolensk ).