古河

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古河 flows into 杏花河 , which it joins at N 23° 24′ 18″, E 111° 42′ 0″ at OSM node n1638814444, and there 9 km of total upstream flows in. load it's distributaries

古河 has 1 tributaries.

• (unnamed), which joins it at N 23° 23′ 22″, E 111° 42′ 39″ at OSM node n12292246514, and 1 km of total upstream flows in.
load it's tributaries