Piirioja

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Piirioja flows into (unnamed) , which it joins at N 57° 37′ 42″, E 27° 17′ 54″ at OSM node n8839667982, and there 4 km of total upstream flows in. load it's distributaries

Piirioja has 1 tributaries.

• (unnamed), which joins it at N 57° 38′ 48″, E 27° 18′ 17″ at OSM node n8839668760, and 388 m of total upstream flows in.
load it's tributaries