OS 50K Symbols - Land features

Creative Commons Licence [Some Rights Reserved]   Text © Copyright June 2007, David Hawgood; licensed for re-use under a Creative Commons Licence.
Images also under a similar Creative Commons Licence.


This is one of a series of articles which give photographs of features on the ground which have standard symbols
on Ordnance Survey 1:50,000 maps, with map extracts showing the symbols. On the maps a blue circle is on or near
the symbol. Use the mouse to move the pointer over the blue circle on a map to hide it.
Click on a thumbnail to see a page with a larger photo, other photo details, and a larger section of the
1:50,000 Ordnance Survey map.
The article Ordnance Survey Map SymbolsExternal link
gives an introduction, and links to others in the set of articles.

Electricity transmission line


Pylons (V beside line) are shown at standard spacing on straight runs of pylons SP0615 : Pylons
SP0615 : Pylons by Jennifer Luther Thomas [smallmap SP 0661 1531]

Where the line changes direction, the V symbols change sides.TA1612 : Pylons Near Roxton Farm
TA1612 : Pylons Near Roxton Farm by David Wright [smallmap TA 1653 1221]

Large pylons, e.g. to cross an estuary, are sometimes shown separately ST5689 : Severn estuary: the big pylon
ST5689 : Severn estuary: the big pylon by Chris Downer[smallmap ST 5625 8945]

Pipe line


SH6639 : Maentwrog Power Station Pipeline, Tyn-y-Coed
SH6639 : Maentwrog Power Station Pipeline, Tyn-y-Coed by Ian Warburton [smallmap SH 6690 3908]
arrow on line shows flow
[smallmap SH 6700 3897]

Buildings

Building SO9421 : Can you see the join? (light line around building; compare with town hall just north)
SO9421 : Can you see the join? by David Stowell [smallmap SO 9465 2185]
Public building SO9421 : Centenary classrooms, Cheltenham College (heavier line around building; also see hospital just north)
SO9421 : Centenary classrooms, Cheltenham College by David Hawgood [smallmap SO 9490 2146]
Ruin NS2808 : Baltersan Castle (no colouring within square showing building)
NS2808 : Baltersan Castle by John McLeish [smallmap NS 282 087]

Bus or coach station


Bus station SD5429 : Leaving Preston bus station
SD5429 : Leaving Preston bus station by Tom Pennington [smallmap SD 5417 2964]
Coach station SJ3590 : Liverpool Coach Station, Norton Street
SJ3590 : Liverpool Coach Station, Norton Street by Tom Pennington [smallmap SJ 3520 9083]

Place of worship


with tower TQ5045 : Chiddingstone Church, Christmas 2006
TQ5045 : Chiddingstone Church, Christmas 2006 by Jean Barrow [smallmap TQ 500 452]
with spire, minaret or dome SP3509 : St Mary the Virgin Church, Church Green, Witney
SP3509 : St Mary the Virgin Church, Church Green, Witney by Brian Robert Marshall [smallmap SP 3564 0928]
without such addition SK4167 : St James the Apostle Church, Temple Normanton
SK4167 : St James  the Apostle Church, Temple Normanton by Nikki Mahadevan [smallmap SK 417 673]

Chimney or tower


Chimney NS1971 : Inverkip Power Station
NS1971 : Inverkip Power Station by william craig [smallmap NS 1958 7115]
Tower TQ5439 : Water Tower - Langton Green
TQ5439 : Water Tower - Langton Green by Nikki Mahadevan [smallmap TQ 540 390]

Glass structure


TQ4761 : Coolings Nursery - Rushmore Hill
TQ4761 : Coolings Nursery - Rushmore Hill by Jean Barrow [smallmap TQ 479 610]

Heliport


ST2174 : Cardiff Heliport
ST2174 : Cardiff Heliport by John Thorn [smallmap ST 2107 7497]

Triangulation pillar


SK2773 : Triangulation Pillar north end of Birchen Edge
SK2773 : Triangulation Pillar north end of Birchen Edge by Nikki Mahadevan [smallmap SK 2780 7307]

Mast

SK3362 : Mobile phone masts near Slack (note the symbol is a tall triangle with a wave at the top)
SK3362 : Mobile phone masts near Slack by Nikki Mahadevan [smallmap SK 3372 6250]
NS8810 : Lowther Hill (this "mast" is a radar dome)
NS8810 : Lowther Hill by Andy Stephenson [smallmap NS 8890 1080]

Wind pump


SP2847 : Windpump and Whitehead's Coppice (note the symbol has an x at the top)
SP2847 : Windpump and Whitehead's Coppice by Jennifer Luther Thomas [smallmap SP 2843 4742]

Wind generator


NS2347 : Ardrossan Windfarm Symbol is being changed. Map extract is from 2008, symbol like that for a wind pump but bigger, and heavier line. At 2016 online maps are being changed to a new symbol shown below. To see it in place, click photo, click map, zoom out by pressing minus key.
NS2347 : Ardrossan Windfarm by Stuart McMahon [smallmap NS 2302 4712] New Symbol  OS50K symbol - wind turbine version2

Windmill with or without sails


SK3650 : Heage Windmill (this has sails)
SK3650 : Heage Windmill by Nikki Mahadevan [smallmap SK 3669 5080]
TL4632 : Clavering Mill, Clavering, Essex (this has no sails)
TL4632 : Clavering Mill, Clavering, Essex by Robert Edwards [smallmap TL 4653 3262]

Cutting


TQ5346 : Railway between Penshurst and Leigh Stations (symbol has lines along top of cutting)
TQ5346 : Railway between Penshurst and Leigh Stations by Nikki Mahadevan [smallmap TQ 5340 4627]

Embankment


NN8465 : Fields and railway embankment (symbol has no lines along bottom of embankment)
NN8465 : Fields and railway embankment by Lis Burke [smallmap NN 8460 6580]

Quarry


SD8620 : Britannia Quarry
SD8620 : Britannia Quarry by michael ely [smallmap SD 8690 2040]

Spoil heap, refuse tip or dump


SN6908 : Pwllfawatkin landfill
SN6908 : Pwllfawatkin landfill by Nigel Davies [smallmap SN 697 085]

Woods

Coniferous wood SK3062 : Pine trees in Farley Moor Wood
SK3062 : Pine trees in Farley Moor Wood by Nikki Mahadevan [smallmap SK 301 622]
SH5550 : Cone-laden trees
SH5550 : Cone-laden trees by Eric Jones [smallmap SH 553 506]
Non-coniferous wood SU8790 : Beech Wood near Little Marlow
SU8790 : Beech Wood near Little Marlow by David Hawgood [smallmap SU 871 900]
Mixed wood TL0193 : Bridleway through Park Colsters, north-east of Shire Hill Lodge
TL0193 : Bridleway through Park Colsters, north-east of Shire Hill Lodge by Tim Heaton [smallmap TL 0175 9355]

Orchard


TQ6841 : Apple Orchard
TQ6841 : Apple Orchard by N Chadwick [smallmap TQ 688 416]

Park or ornamental ground


SK4778 : Footpath through the estate of Barlborough Hall
SK4778 : Footpath through the estate of Barlborough Hall by Nikki Mahadevan [smallmap SK 476 783]

Access land


A purple line shows the boundary, a symbol within the area shows the owner and whether always open.
NT2810 : Purple Plague (shows boundary line)
NT2810 : Purple Plague by Richard Webb [smallmap NT 286 105]
The map below shows the boundary line symbol on a map from 2006 - it had a much more prominent purple line.
[smallmap NT 286 105 revA]

Forestry Commission access land

TF0876 : A ride in Newball Wood (purple symbol in wood is for Forestry Commission)
TF0876 : A ride in Newball Wood by Alan Murray-Rust [smallmap TF 086 765]

Natural Resources Wales

SH7955 : The A470 heading south SH7955 : The A470 heading south by Steve Daniels Symbol from about 2016  OS50K symbol - Natural Resources Wales
Map on photo page is from 2006 before this symbol was in use. To see symbol on 50K map, click map on photo page gives current 25K map, click minus sign at bottom of bar on left of map extract to give current 50K map.

National Trust access land


Always open SK0655 : Grindon Moor White acorn on purple ground shows it is a National Trust property which is always open.
SK0655 : Grindon Moor by Alan Murray-Rust [smallmap SK 061 557]
Limited access SP6837 : Palladian Bridge, Stowe Landscape Gardens Purple acorn in white square shows limited access.
SP6837 : Palladian Bridge, Stowe Landscape Gardens by Chris Coleman [smallmap SP 6827 3773]

National Trust for Scotland

Always open NN9162 : Pass of Killiecrankie
NN9162 : Pass of Killiecrankie by Gordon McKinlay [smallmap NN 9115 6215]
Limited access NT0578 : House of the Binns See National Trust for Scotland - House of the BinnsExternal link
for opening hours - the estate is always open, the house has limited hours.
NT0578 : House of the Binns by Brian MacLennan [smallmap NT 0535 7825]

Manx National Heritage

Manx National Heritage - Eiraght Ashoonagh VanninExternal link
SC1565 : Calf of Man
SC1565 : Calf of Man by M J Richardson [smallmap SC 1595 6595]

Forestry Division Plantation (Isle of Man)

SC2373 : Earystane plantation, Isle of Man SC2373 : Earystane plantation, Isle of Man by kevin rothwell Symbol from 2016  OS50K symbol - Forestry Division Plantation (Isle of Man)
Click map on photo page - shows a pink area as we don't have access to 25K scale map for Isle of Man. Then click minus sign at bottom of bar on left - gives current 50K scale map. This plantation (and others on the Isle of Man) have the symbol but don't have the purple boundary line.

Graticule intersection at 5' intervals


NN7891 : 57° N 4° W at grid reference NN 7856 9165
NN7891 : 57° N    4° W by Richard Webb
[smallmap NN 7856 9165]
(To show graticules at intervals -

go 6 squares West to grid ref NN 7350 9177
[smallmap NN 7350 9177]


go 9 squares South to grid ref NN 7320 8250
[smallmap NN 7320 8250]

Note this shows that grid north is not quite true north.
KML
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