Валлас

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Валлас flows into Олонка , which it joins at N 61° 9′ 39″, E 33° 3′ 57″ at OSM node n7239776782, and there 369 km of total upstream flows in. load it's distributaries

Валлас has 1 tributaries.

• (unnamed), which joins it at N 61° 10′ 25″, E 33° 2′ 22″ at OSM node n2340859683, and 4 km of total upstream flows in.
load it's tributaries