Neath Port Talbot topographic map

Snowdon (/ˈsnoʊdən/), or Yr Wyddfa (pronounced [ər ˈʊɨ̞̯ðva] ), is a mountain in the Snowdonia region of North Wales. It has an elevation of 1,085 metres (3,560 ft) above sea level, which makes it both the highest mountain in Wales and the highest in the British Isles south of the Scottish Highlands.…

Average elevation: 692 m

In the 19th century, Richard Bassett, a prominent figure in Glamorgan resided at Bonvilston House and owned the manor. The 1811 A Topographical Dictionary of The Dominion of Wales by Nicholas Carlisle said of the village.

Average elevation: 83 m

Average elevation: 299 m

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Average elevation: 139 m

Average elevation: 60 m

Average elevation: 139 m

Average elevation: 58 m

Average elevation: 43 m

Average elevation: 279 m

Average elevation: 273 m

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Average elevation: 88 m

Average elevation: 145 m

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Average elevation: 296 m

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Average elevation: 671 m

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Average elevation: 199 m

Average elevation: 262 m

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Average elevation: 267 m

Average elevation: 209 m

Average elevation: 272 m

Average elevation: 360 m