(unnamed)

(unnamed) is 8 km long, and has a stream level of 2.

Map of (unnamed)

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(unnamed) flows into 조만강 , which it joins at N 35° 11′ 44″, E 128° 49′ 40″ at OSM node n3899438677, and there 25 km of total upstream flows in.

(unnamed) has 3 tributaries.

대청계곡, which joins it at N 35° 11′ 3″, E 128° 46′ 33″ at OSM node n10798704984, and 742 m of total upstream flows in.

장유대청계곡, which joins it at N 35° 11′ 3″, E 128° 46′ 35″ at OSM node n10821131250, and 78 m of total upstream flows in.

개울, which joins it at N 35° 11′ 11″, E 128° 47′ 13″ at OSM node n10970009513, and 55 m of total upstream flows in.