(unnamed)

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(unnamed) flows into Sungai Barumun , which it joins at N 1° 50′ 36″, E 100° 4′ 15″ at OSM node n5150902357, and there 1,338 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Sei Mahuam, which joins it at N 1° 50′ 20″, E 100° 3′ 31″ at OSM node n6743626387, and 21 km of total upstream flows in.
load it's tributaries