古和河内川

古和河内川 is 5 km long, and has a stream level of 2.

Map of 古和河内川

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古和河内川 flows into 大内山川 , which it joins at N 34° 18′ 17″, E 136° 24′ 25″ at OSM node n734364868, and there 103 km of total upstream flows in.

古和河内川 has 3 tributaries.

(unnamed), which joins it at N 34° 18′ 0″, E 136° 24′ 51″ at OSM node n734608679, and 1 km of total upstream flows in.

(unnamed), which joins it at N 34° 17′ 40″, E 136° 26′ 3″ at OSM node n734640694, and 738 m of total upstream flows in.

(unnamed), which joins it at N 34° 17′ 55″, E 136° 24′ 59″ at OSM node n734443808, and 574 m of total upstream flows in.