Afon Ddu (Drum)
Appearance
53°11′03″N 3°49′35″W / 53.18417°N 3.82639°W
Afon Ddu is a stream in Snowdonia, in north-west Wales. It is a tributary of Afon Dulyn which itself is a tributary of the river Conwy.
Afon Ddu drains the south-eastern slopes of Drum and Foel-fras, mountains in the Carneddau mountain range.
(NB - There is another river of the same name, also a tributary of the River Conwy, some 3 miles to the south-east.