大開川

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大開川 flows into 塩子川 , which it joins at N 36° 29′ 33″, E 140° 16′ 1″ at OSM node n758375083, and there 13 km of total upstream flows in. load it's distributaries

大開川 has 1 tributaries.

• (unnamed), which joins it at N 36° 30′ 0″, E 140° 15′ 57″ at OSM node n758368063, and 1 km of total upstream flows in.
load it's tributaries