Afon Alwen

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Afon Alwen flows into (unnamed) , which it joins at N 53° 3′ 48″, W 3° 33′ 35″ at OSM node n1448993747, and there 13 km of total upstream flows in. load it's distributaries

Afon Alwen has 1 tributaries.

• (unnamed), which joins it at N 53° 5′ 31″, W 3° 36′ 8″ at OSM node n1403199848, and 1 km of total upstream flows in.
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