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This article is about the mountain in Snowdonia. For the station on the Ffestiniog Railway, see Dduallt railway station.
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
Translation Black hill (Welsh)
Pronunciation Welsh: [ˈðɨæɬt]
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.[1]


  1. ^ Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. ISBN 1-85284-304-7.

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