(unnamed)

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(unnamed) flows into Afon Glaslyn , which it joins at N 53° 1′ 10″, W 4° 5′ 7″ at OSM node n29226108, and there 158 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Ffos y Gelli, which joins it at N 53° 1′ 11″, W 4° 5′ 8″ at OSM node n3411082413, and 2 km of total upstream flows in.
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