古田川

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古田川 flows into 山田川 , which it joins at N 40° 52′ 10″, E 140° 20′ 50″ at OSM node n753830697, and there 71 km of total upstream flows in. load it's distributaries

古田川 has 1 tributaries.

• (unnamed), which joins it at N 40° 49′ 21″, E 140° 22′ 22″ at OSM node n753748858, and 10 km of total upstream flows in.
load it's tributaries