Afon Cwm Du

Afon Cwm Du is 1 km long, and has a stream level of 2.

Map of Afon Cwm Du

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Distributaries / Outflows

Afon Cwm Du flows into Afon Colwyn , which it joins at N 53° 1′ 36″, W 4° 7′ 33″ at OSM node n259093016, and there 43 km of total upstream flows in.

Tributaries

Afon Cwm Du has 3 tributaries.

(unnamed), which joins it at N 53° 1′ 50″, W 4° 8′ 2″ at OSM node n1262446777, and 10 km of total upstream flows in.

Afon Hafod-Ruffydd-isaf, which joins it at N 53° 1′ 42″, W 4° 7′ 45″ at OSM node n262989084, and 3 km of total upstream flows in.

(unnamed), which joins it at N 53° 1′ 49″, W 4° 8′ 2″ at OSM node n9366153949, and 71 m of total upstream flows in.