Search for Grid Square by Postcode
ST09
Based in the South Wales Central region of Scotland & South Wales East region of Scotland.
The ST09 10 square kilometre grid intersects with the settlements of Abercynon,Aberdare,Aberfan,Aberpennar,Ferndale,Goitre Coed,Penrhys,Pontygwaith,Pontypridd,Porth,Rhondda,Tonypandy,Treharris,Tylorstown,Wattstown,Ynysowen & Ynysybwl.
ST09
ST09 is within the post towns of Aberdare, Glamorgan, Caerphilly, Glamorgan, Ferndale, Glamorgan, Merthyr Tydfil, Glamorgan, Mountain Ash, Glamorgan, Pentre, Glamorgan, Pontypridd, Glamorgan, Porth, Glamorgan, Tonypandy, Glamorgan & Treharris, Glamorgan.
The square is within Caerffili - Caerphilly, Merthyr Tudful - Merthyr Tydfil & Rhondda Cynon Taf - Rhondda Cynon Taf councils.
The ST09 national grid square measures 10 km by 10 km and has an area of 1,000 kilometres squared.
The technical term for a 10 km map square is a Hectad.
When this 10 km square is divided into a grid 10 by 10 it gives the next size of grid square. This unit is called a Monad and measures 1km square. 100 monads fit in a 10km square.
Out of the monads generated from square ST09, 495 are land and -395 are sea. Sea squares are disregarded on this site as they contain no land features.
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| Corner | Latitude | Longitude | Easting | Northing |
|---|---|---|---|---|
| South West Corner | 51.599938 | -3.448079 | 300000 | 190000 |
| South East Corner | 51.599938 | -3.300879 | 310000 | 190000 |
| North West Corner | 51.691517 | -3.448079 | 300000 | 200000 |
| North East Corner | 51.691517 | -3.300879 | 310000 | 200000 |