홍제천

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홍제천 flows into 한강 , which it joins at N 37° 33′ 18″, E 126° 53′ 7″ at OSM node n7282196422, and there 8,855 km of total upstream flows in. load it's distributaries

홍제천 has 2 tributaries.

• 불광천, which joins it at N 37° 33′ 43″, E 126° 53′ 58″ at OSM node n7282196424, and 3 km of total upstream flows in.
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• (unnamed), which joins it at N 37° 36′ 14″, E 126° 57′ 46″ at OSM node n3414026764, and 250 m of total upstream flows in.
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