南貞山運河

南貞山運河 is 4 km long, and has a stream level of 1.

Map of 南貞山運河

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南貞山運河 has 3 distributaries.

五間堀川 , which it joins at N 38° 6′ 53″, E 140° 55′ 33″ at OSM node n754623383, and 65 km of total upstream flows in.
中貞山運河 , which it joins at N 38° 9′ 46″, E 140° 56′ 47″ at OSM node n754803174, and 26 km of total upstream flows in.
広浦 , which it joins at N 38° 9′ 46″, E 140° 56′ 47″ at OSM node n754803174, and 26 km of total upstream flows in.

南貞山運河 has 1 tributaries.

川内沢川, which joins it at N 38° 7′ 37″, E 140° 55′ 44″ at OSM node n754781933, and 15 km of total upstream flows in.