(unnamed)

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(unnamed) flows into Ebbw Fach River , which it joins at N 51° 43′ 15″, W 3° 7′ 46″ at OSM node n7881887642, and there 15 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Nant y Groes, which joins it at N 51° 43′ 23″, W 3° 7′ 22″ at OSM node n5357593511, and 1 km of total upstream flows in.
load it's tributaries