(unnamed)

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(unnamed) flows into Nant Troedyresgair , which it joins at N 52° 24′ 0″, W 3° 39′ 0″ at OSM node n464739208, and there 8 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Nant Hirnant, which joins it at N 52° 24′ 0″, W 3° 39′ 3″ at OSM node n464739449, and 2 km of total upstream flows in.
load it's tributaries