Arroyo Helvecia

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Arroyo Helvecia flows into Arroyo Ñacanguazú , which it joins at S 27° 7′ 0″, W 55° 22′ 30″ at OSM node n2008494655, and there 98 km of total upstream flows in. load it's distributaries

Arroyo Helvecia has 3 tributaries.

• Arroyo Bugre Grande, which joins it at S 27° 6′ 32″, W 55° 21′ 15″ at OSM node n6048775426, and 17 km of total upstream flows in.
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• Arroyo Samui, which joins it at S 27° 6′ 29″, W 55° 21′ 35″ at OSM node n6048775429, and 3 km of total upstream flows in.
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• Arroyo Samui, which joins it at S 27° 6′ 40″, W 55° 20′ 44″ at OSM node n7011572096, and 2 km of total upstream flows in.
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