Порша

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Порша flows into Волюга , which it joins at N 61° 30′ 45″, E 43° 23′ 56″ at OSM node n1863026232, and there 228 km of total upstream flows in. load it's distributaries

Порша has 2 tributaries.

• Ускоперть, which joins it at N 61° 32′ 34″, E 43° 26′ 56″ at OSM node n1863028710, and 39 km of total upstream flows in.
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• Большая Ольшанка, which joins it at N 61° 33′ 2″, E 43° 26′ 40″ at OSM node n1863029052, and 10 km of total upstream flows in.
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