(unnamed)

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(unnamed) flows into Dinorwic Diversion Tunnel , which it joins at N 53° 6′ 18″, W 4° 5′ 30″ at OSM node n3101138424, and there 29 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Afon Nant Peris, which joins it at N 53° 6′ 18″, W 4° 5′ 30″ at OSM node n7773669252, and 29 km of total upstream flows in.
load it's tributaries