(unnamed)

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(unnamed) flows into Nant yr Eithin , which it joins at N 51° 44′ 22″, W 3° 37′ 3″ at OSM node n8641621719, and there 4 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Nant Hir, which joins it at N 51° 43′ 48″, W 3° 36′ 19″ at OSM node n279319024, and 1 km of total upstream flows in.
load it's tributaries