Niinioja

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Niinioja flows into Sirppujoki , which it joins at N 60° 50′ 32″, E 21° 30′ 10″ at OSM node n6176383924, and there 194 km of total upstream flows in. load it's distributaries

Niinioja has 1 tributaries.

• (unnamed), which joins it at N 60° 50′ 14″, E 21° 29′ 26″ at OSM node n6176383944, and 36 km of total upstream flows in.
load it's tributaries