(unnamed)

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(unnamed) flows into the sea: 3 km flows in at S 31° 39′ 25″, W 60° 30′ 58″ at OSM node n2661389363. (unnamed) has 2 distributaries.

• Río Colastiné , which it joins at S 31° 39′ 6″, W 60° 35′ 43″ at OSM node n4133870282, and 33 km of total upstream flows in. load it's distributaries
• Arroyo Paraná Miní , which it joins at S 31° 40′ 6″, W 60° 29′ 14″ at OSM node n2661389423, and 23 km of total upstream flows in. load it's distributaries

(unnamed) has 0 tributaries.