(unnamed)

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(unnamed) flows into 井ノ口本川 , which it joins at N 34° 16′ 0″, E 133° 2′ 8″ at OSM node n7090629226, and there 9 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 三佐川, which joins it at N 34° 16′ 0″, E 133° 2′ 7″ at OSM node n7090629227, and 4 km of total upstream flows in.
load it's tributaries