Булэн

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Булэн flows into Эльпа , which it joins at N 55° 29′ 36″, E 119° 28′ 6″ at OSM node n4074694404, and there 38 km of total upstream flows in. load it's distributaries

Булэн has 1 tributaries.

• (unnamed), which joins it at N 55° 30′ 21″, E 119° 25′ 40″ at OSM node n4074694674, and 5 km of total upstream flows in.
load it's tributaries