(unnamed)

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(unnamed) flows into 한강 , which it joins at N 37° 45′ 43″, E 126° 34′ 46″ at OSM node n8808006890, and there 12,288 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 개화천, which joins it at N 37° 45′ 5″, E 126° 34′ 48″ at OSM node n7483247991, and 5 km of total upstream flows in.
load it's tributaries