(unnamed)

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(unnamed) flows into 日光川 , which it joins at N 35° 6′ 46″, E 136° 47′ 15″ at OSM node n726995429, and there 261 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 佐屋川, which joins it at N 35° 6′ 52″, E 136° 47′ 16″ at OSM node n10173331859, and 20 km of total upstream flows in.
load it's tributaries