(unnamed)

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(unnamed) flows into Arroyo Seco , which it joins at N 34° 12′ 31″, W 118° 10′ 14″ at OSM node n10857188622, and there 88 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• El Prieto Canyon, which joins it at N 34° 12′ 32″, W 118° 10′ 13″ at OSM node n10857188623, and 4 km of total upstream flows in.
load it's tributaries