is a former Dewey in the foothills of

Plynlimon Plynlimon, or Pumlumon in Welsh language, Welsh (also historically anglicised as Plinlimon, Plynlymmon or Plinlimmon), is the highest point of the Cambrian Mountains in Wales (taking a restricted definition of the Cambrian Mountains, ex ...

between

Aberystwyth Aberystwyth (; ) is a University town, university and seaside town and a community (Wales), community in Ceredigion, Wales. It is the largest town in Ceredigion and from Aberaeron, the county's other administrative centre. In 2021, the popula ...

and

Welshpool Welshpool ( ) is a market town and Community (Wales), community in Powys, Wales, historically in the Historic counties of Wales, county of Montgomeryshire. The town is from the Wales–England border and low-lying on the River Severn. The c ...

Wales Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...

. The summit height is 502 m (1647 ft) and the

prominence In topography, prominence or relative height (also referred to as autonomous height, and shoulder drop in US English, and drop in British English) measures the height of a mountain or hill's summit relative to the lowest contour line encircling ...

, or relative height, is 32 metres.Database of British and Irish hills
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References

Mountains and hills of Ceredigion {{Europe-mountain-stub