(unnamed)

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(unnamed) flows into 宮川 , which it joins at N 36° 15′ 26″, E 137° 9′ 1″ at OSM node n726319071, and there 605 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 岡前川, which joins it at N 36° 15′ 21″, E 137° 9′ 21″ at OSM node n726143470, and 700 m of total upstream flows in.
load it's tributaries