Dduallt ( en, Black hill) (pronounced ) is a

mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited Summit (topography), summit area, and ...

in central

Snowdonia Snowdonia or Eryri (), is a mountainous region in northwestern Wales and a national park of in area. It was the first to be designated of the three national parks in Wales, in 1951. Name and extent It was a commonly held belief that the nam ...

north Wales , area_land_km2 = 6,172 , postal_code_type = Postcode , postal_code = LL, CH, SY , image_map1 = Wales North Wales locator map.svg , map_caption1 = Six principal areas of Wales common ...

. It is the sister peak of

Rhobell Fawr Rhobell Fawr is the site of an ancient volcano that was active during the Early Ordovician period in the Arenig range within the Snowdonia National Park. Despite its modest height of 734 m (2,408 feet), it is a mountain with views ...

. It lies north of the A494 between

Dolgellau Dolgellau () is a town and community in Gwynedd, north-west Wales, lying on the River Wnion, a tributary of the River Mawddach. It was the traditional county town of the historic county of Merionethshire ( cy, Meirionnydd, Sir Feirionnydd) un ...

and

Llanuwchllyn Llanuwchllyn () is a village and community in Gwynedd, Wales, near the southern end of Bala Lake (Llyn Tegid). It is one of the most sparsely populated communities in Wales. The electoral ward includes the small settlement of Llangywer. The ...

. Its eastern slopes are the source of the

Afon Dyfrdwy The River Dee ( cy, Afon Dyfrdwy, la, Deva Fluvius) is a river in the United Kingdom. It flows through parts of both Wales and England, forming part of the border between the two countries. The river rises in Snowdonia, Wales, flows east via ...

( River Dee).Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. .

References

External links

* Dduallt is at coordinates
www.geograph.co.uk : photos of Dduallt and surrounding area
Hewitts of Wales Nuttalls Mountains and hills of Snowdonia Llanuwchllyn Mountains and hills of Gwynedd {{Gwynedd-geo-stub