Dduallt

Dduallt
Arenig Fawr and Moel Llyfnant from Dduallt summit
Highest point
Elevation	662 m (2,172 ft)
Prominence	138 m (453 ft)
Listing	Hewitt, Nuttall, HuMP
Naming
Translation	Black hill (Welsh)
Pronunciation	Welsh: [ˈðɨæɬt]
Geography
Location	Gwynedd, Wales
Parent range	Snowdonia
OS grid	SH810273

Dduallt (English: Black hill) (pronounced [ðɨ.æɬt]) is a mountain in central Snowdonia, North Wales. It is the sister peak of Rhobell Fawr.

It lies north of the A494 between Dolgellau and Llanuwchllyn. Its eastern slopes are the source of the River Dee.