Classification: Befour, Britfour, Notable, Pedwar, P30 Tump.
OS Grid Ref: SN127321 (10 figure Grid Ref: SN1277432142).
UK Area: 31 - South-West Wales (OS Maps 1:50k 145. 1:25k 35.)
Latitude: 51.95617, Longitude: -4.72613, Height: 401.5 metres (1317 feet)
Prominence: 61.5 metres (202 feet)
Unique Waypoint POI Name: 0402.- (DoBIH Hill ID: 15024)
External Links for Carn Siân:
-GeoHack link...
-OS Map Bing link...
-Google Map link...
-Geograph link...
-Carn Siân on hill-bagging.co.uk...
Data courtesy of Myrddyn Phillips and Aled Williams
Selected mapping: Google or Bing / Ordnance Survey
:Fundamental Benchmark | :Nearby Hill | :Nearby Trigpoint | : mouseover
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Foel Eryr (6.2km)Frenni Fawr (8.0km)Mynydd Llanybydder (41.5km)Mynydd Pencarreg (46.1km)Esgair Fraith (54.8km)Garn Fawr (57.1km)Carn Wen (57.5km)Esgair Fawr (57.7km)Trichrug (57.9km)Crug (58.0km)
Anton Carole Chalky1953 danMaisiebex DanTrig IainT IainT2 outlawcatcher rhayader_wanderer rhw stevent0809 Tundraboy underhill
Total = 1 Fundamental Benchmark in
Data courtesy of Myrddyn Phillips and Aled Williams