(unnamed)

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(unnamed) flows into 古川 , which it joins at N 34° 51′ 10″, E 135° 45′ 59″ at OSM node n2686785470, and there 12 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 古川, which joins it at N 34° 51′ 8″, E 135° 46′ 1″ at OSM node n2686785449, and 12 km of total upstream flows in.
load it's tributaries