(unnamed)

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(unnamed) flows into Sông Bùi , which it joins at N 20° 52′ 46″, E 105° 40′ 10″ at OSM node n4747807730, and there 132 km of total upstream flows in. load it's distributaries

(unnamed) has 2 tributaries.

• Sông Tích, which joins it at N 20° 58′ 29″, E 105° 34′ 27″ at OSM node n4759064204, and 83 km of total upstream flows in.
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• Sông Bùi, which joins it at N 20° 54′ 20″, E 105° 35′ 51″ at OSM node n2208163349, and 23 km of total upstream flows in.
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