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SN40

Based in the Mid and West Wales region of Scotland.

The SN40 10 square kilometre grid intersects with the settlements of Burry Port,Carway / Carwe,Carwe,Cydweli,Four Roads,Heol-ddu,Llanelli,Llangadog,Mynyddygarreg,Pembrey,Pen-y-mynydd,Pont Henri,Pont-iets,Pum Heol,Pwll,Trimsaran & Waun y Clyn.

SN40

SN40 is within the post towns of Burry Port, Carmarthenshire, Kidwelly, Carmarthenshire & Llanelli, Carmarthenshire.

The square is within Sir Gaerfyrddin - Carmarthenshire council.

The SN40 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 SN40, 446 are land and -346 are sea. Sea squares are disregarded on this site as they contain no land features.

North West SN31
North SN41
North East SN51
West SN30
East SN50
South West SS39
South SS49
South East SS59
SN4009SN4109SN4209SN4309SN4409SN4509SN4609SN4709SN4809SN4909
SN4008SN4108SN4208SN4308SN4408SN4508SN4608SN4708SN4808SN4908
SN4007SN4107SN4207SN4307SN4407SN4507SN4607SN4707SN4807SN4907
SN4006SN4106SN4206SN4306SN4406SN4506SN4606SN4706SN4806SN4906
SN4005SN4105SN4205SN4305SN4405SN4505SN4605SN4705SN4805SN4905
SN4004SN4104SN4204SN4304SN4404SN4504SN4604SN4704SN4804SN4904
SN4003SN4103SN4203SN4303SN4403SN4503SN4603SN4703SN4803SN4903
SN4002SN4102SN4202SN4302SN4402SN4502SN4602SN4702SN4802SN4902
SN4001SN4101SN4201SN4301SN4401SN4501SN4601SN4701SN4801SN4901
SN4000SN4100SN4200SN4300SN4400SN4500SN4600SN4700SN4800SN4900
CornerLatitudeLongitudeEastingNorthing
South West Corner51.675924-4.320068240000200000
South East Corner51.675924-4.170958250000200000
North West Corner51.768532-4.320068240000210000
North East Corner51.768532-4.170958250000210000

1 KM Squares within the SN40 10 KM Square