(unnamed)

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(unnamed) flows into Periyar , which it joins at N 9° 31′ 42″, E 77° 6′ 43″ at OSM node n11821354570, and there 218 km of total upstream flows in. load it's distributaries

(unnamed) has 2 tributaries.

• vallakkadavu thodu, which joins it at N 9° 31′ 26″, E 77° 6′ 44″ at OSM node n11704259560, and 7 km of total upstream flows in.
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• sathram vallakadavu thodu, which joins it at N 9° 31′ 26″, E 77° 6′ 44″ at OSM node n11704259560, and 2 km of total upstream flows in.
load it's tributaries