Оля

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Оля flows into Нерча , which it joins at N 52° 23′ 33″, E 116° 13′ 24″ at OSM node n2611478308, and there 3,447 km of total upstream flows in. load it's distributaries

Оля has 1 tributaries.

• Олекан, which joins it at N 52° 21′ 53″, E 116° 3′ 59″ at OSM node n3638895479, and 18 km of total upstream flows in.
load it's tributaries