山口川

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山口川 flows into 日宇川 , which it joins at N 33° 10′ 8″, E 129° 46′ 57″ at OSM node n716224244, and there 4 km of total upstream flows in. load it's distributaries

山口川 has 1 tributaries.

• (unnamed), which joins it at N 33° 10′ 14″, E 129° 46′ 56″ at OSM node n716224307, and 288 m of total upstream flows in.
load it's tributaries