Hemel Hempstead Dacorum Borough Council Emergency Centre

civil defence centre in Hertfordshire

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site, civil defense center, United Kingdom

• Subterranea Britannica article^@

Location: 51.755067, -0.473587, ///crazy.sentences.send, Google, Bing, Aerial View, OldMapsOnline, ESRI Imagery, Historic Markers, KML, NLS, OS,  eDoB, 

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{"minzoom":false,"maxzoom":false,"mappingservice":"leaflet","width":"auto","height":"600px","centre":{"text":"","title":"","link":"","lat":51.755067,"lon":-0.473587,"icon":""},"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"zoom":false,"defzoom":14,"layers":["OpenStreetMap","Esri.WorldImagery"],"image layers":[],"overlays":[],"resizable":false,"fullscreen":true,"scrollwheelzoom":true,"cluster":false,"clustermaxzoom":20,"clusterzoomonclick":true,"clustermaxradius":1,"clusterspiderfy":true,"geojson":"","clicktarget":"","imageLayers":[],"locations":[{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945047\" title=\"Q124945047\"\u003EAylesbury Buckinghamshire County Emergency Centre\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Aylesbury Buckinghamshire County Emergency Centre@ civil defense center\n","link":"","lat":51.814604,"lon":-0.811958,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q4870554\" title=\"Q4870554\"\u003EBattle of Britain Bunker\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1939 military museum, bunker, \u003Ca rel=\"nofollow\" class=\"external text\" href=\"https://www.tripadvisor.com/3585116\"\u003Etripadvisor\u003C/a\u003E\n\u003C/p\u003E\u003C/div\u003E","title":"Battle of Britain Bunker@1939 military museum, bunker, tripadvisor\n","link":"","lat":51.5412,"lon":-0.465278,"icon":"/images/d/d7/Tm_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945050\" title=\"Q124945050\"\u003EBeaconsfield Buckinghamshire County Standby Emergency Centre\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Beaconsfield Buckinghamshire County Standby Emergency Centre@ civil defense center\n","link":"","lat":51.61178,"lon":-0.645815,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945089\" title=\"Q124945089\"\u003EChiltern District Council Emergency Centre\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Chiltern District Council Emergency Centre@ civil defense center\n","link":"","lat":51.675173,"lon":-0.60437,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945134\" title=\"Q124945134\"\u003EFinchley Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Finchley Borough Control@ civil defense center\n","link":"","lat":51.596947,"lon":-0.195673,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945155\" title=\"Q124945155\"\u003EHayes Sub Area Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Hayes Sub Area Control@ civil defense center\n","link":"","lat":51.495326,"lon":-0.431921,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca class=\"mw-selflink selflink\"\u003EHemel Hempstead Dacorum Borough Council Emergency Centre\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Hemel Hempstead Dacorum Borough Council Emergency Centre@ civil defense center\n","link":"","lat":51.755067,"lon":-0.473587,"icon":"/images/d/d2/Red-marker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124837838\" title=\"Q124837838\"\u003EHertford bunker\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ebunker\n\u003C/p\u003E\u003C/div\u003E","title":"Hertford bunker@ bunker\n","link":"","lat":51.793666,"lon":-0.080131,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945159\" title=\"Q124945159\"\u003EHillingdon Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Hillingdon Borough Control@ civil defense center\n","link":"","lat":51.544026,"lon":-0.476071,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945186\" title=\"Q124945186\"\u003ELuton County Borough Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Luton County Borough Control@ civil defense center\n","link":"","lat":51.876046,"lon":-0.419476,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945194\" title=\"Q124945194\"\u003EMiddlesex County Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Middlesex County Control@ civil defense center\n","link":"","lat":51.6108,"lon":-0.355048,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945196\" title=\"Q124945196\"\u003EMill Hill North West London Group Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Mill Hill North West London Group Control@ civil defense center\n","link":"","lat":51.615898,"lon":-0.207545,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945199\" title=\"Q124945199\"\u003ENortholt Sub Control\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Northolt Sub Control@ civil defense center\n","link":"","lat":51.541716,"lon":-0.366193,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q7115612\" title=\"Q7115612\"\u003EOxgate Admiralty Citadel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ebunker\n\u003C/p\u003E\u003C/div\u003E","title":"Oxgate Admiralty Citadel@ bunker\n","link":"","lat":51.5681,"lon":-0.2297,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q7123359\" title=\"Q7123359\"\u003EPaddock\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ebunker\n\u003C/p\u003E\u003C/div\u003E","title":"Paddock@ bunker\n","link":"","lat":51.5622,"lon":-0.238586,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945232\" title=\"Q124945232\"\u003ESouthall London North West Group War HQ\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"Southall London North West Group War HQ@ civil defense center\n","link":"","lat":51.508422,"lon":-0.378127,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124945244\" title=\"Q124945244\"\u003ESt Albans City and District Council Emergency Centre\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ecivil defense center\n\u003C/p\u003E\u003C/div\u003E","title":"St Albans City and District Council Emergency Centre@ civil defense center\n","link":"","lat":51.753344,"lon":-0.336082,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124823106\" title=\"Q124823106\"\u003EUxbridge Anti-Aircraft Operations Room\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ebunker\n\u003C/p\u003E\u003C/div\u003E","title":"Uxbridge Anti-Aircraft Operations Room@ bunker\n","link":"","lat":51.5463512,"lon":-0.4618435,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124858342\" title=\"Q124858342\"\u003EWatford Royal Observer Corps Group Headquarters\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ebunker\n\u003C/p\u003E\u003C/div\u003E","title":"Watford Royal Observer Corps Group Headquarters@ bunker\n","link":"","lat":51.668045,"lon":-0.418656,"icon":"/images/6/6e/M_bunker.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q26514035\" title=\"Q26514035\"\u003EGrotto 130 Metres To South Of Ascott House\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Egrotto\n\u003C/p\u003E\u003C/div\u003E","title":"Grotto 130 Metres To South Of Ascott House@ grotto\n","link":"","lat":51.894136,"lon":-0.706273,"icon":"/images/4/48/M_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q26469214\" title=\"Q26469214\"\u003EGrotto About 70 Metres North East Of Dancers Hill House\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Egrotto\n\u003C/p\u003E\u003C/div\u003E","title":"Grotto About 70 Metres North East Of Dancers Hill House@ grotto\n","link":"","lat":51.679942,"lon":-0.214551,"icon":"/images/4/48/M_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q26617215\" title=\"Q26617215\"\u003EGrotto At Dropmore\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Egrotto\n\u003C/p\u003E\u003C/div\u003E","title":"Grotto At Dropmore@ grotto\n","link":"","lat":51.565267,"lon":-0.666141,"icon":"/images/4/48/M_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q26605347\" title=\"Q26605347\"\u003EGrotto By Lake C250 Metres North East Of Eythrope Pavilion\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Egrotto\n\u003C/p\u003E\u003C/div\u003E","title":"Grotto By Lake C250 Metres North East Of Eythrope Pavilion@ grotto\n","link":"","lat":51.818506,"lon":-0.882264,"icon":"/images/4/48/M_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q5707475\" title=\"Q5707475\"\u003EHellfire Caves\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Efixed construction, show cave, \u003Ca rel=\"nofollow\" class=\"external text\" href=\"https://www.tripadvisor.com/2277486\"\u003Etripadvisor\u003C/a\u003E\n\u003C/p\u003E\u003C/div\u003E","title":"Hellfire Caves@ fixed construction, show cave, tripadvisor\n","link":"","lat":51.646,"lon":-0.8026,"icon":"/images/0/0a/Tm_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q17551030\" title=\"Q17551030\"\u003EThe Grotto\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Egrotto\n\u003C/p\u003E\u003C/div\u003E","title":"The Grotto@ grotto\n","link":"","lat":51.9839,"lon":-0.593484,"icon":"/images/4/48/M_cave.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q22004782\" title=\"Q22004782\"\u003EBugle Quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Bugle Quarry@ quarry\n","link":"","lat":51.802373,"lon":-0.850626,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q5050176\" title=\"Q5050176\"\u003ECastle Lime Works Quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Castle Lime Works Quarry@ quarry\n","link":"","lat":51.7087,"lon":-0.22268,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q24662499\" title=\"Q24662499\"\u003EDisused quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Disused quarry@ quarry\n","link":"","lat":51.94948,"lon":-0.47339,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q5656799\" title=\"Q5656799\"\u003EHarefield Pit\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Echalk quarry\n\u003C/p\u003E\u003C/div\u003E","title":"Harefield Pit@ chalk quarry\n","link":"","lat":51.598,"lon":-0.486,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q20878146\" title=\"Q20878146\"\u003EHexton Chalk Pit\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Echalk quarry\n\u003C/p\u003E\u003C/div\u003E","title":"Hexton Chalk Pit@ chalk quarry\n","link":"","lat":51.957017,"lon":-0.389706,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q20711582\" title=\"Q20711582\"\u003EHill End Pit\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Echalk quarry\n\u003C/p\u003E\u003C/div\u003E","title":"Hill End Pit@ chalk quarry\n","link":"","lat":51.9008,"lon":-0.26017,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q20979086\" title=\"Q20979086\"\u003EKensworth Chalk Pit\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Echalk quarry\n\u003C/p\u003E\u003C/div\u003E","title":"Kensworth Chalk Pit@ chalk quarry\n","link":"","lat":51.866,"lon":-0.517,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q20740388\" title=\"Q20740388\"\u003EMoor Mill Quarry, West\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Moor Mill Quarry, West@ quarry\n","link":"","lat":51.711814,"lon":-0.3505767,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q22004821\" title=\"Q22004821\"\u003EPitstone Quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Pitstone Quarry@ quarry\n","link":"","lat":51.820887,"lon":-0.647028,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q20979107\" title=\"Q20979107\"\u003ESundon Chalk Quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Sundon Chalk Quarry@ quarry\n","link":"","lat":51.936758,"lon":-0.48935,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q24662498\" title=\"Q24662498\"\u003ESundon Quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Sundon Quarry@ quarry\n","link":"","lat":51.93672,"lon":-0.49258,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q20979111\" title=\"Q20979111\"\u003ETotternhoe Chalk Quarry\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Equarry\n\u003C/p\u003E\u003C/div\u003E","title":"Totternhoe Chalk Quarry@ quarry\n","link":"","lat":51.891883,"lon":-0.567876,"icon":"/images/a/ab/M_mine.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q24885278\" title=\"Q24885278\"\u003EBarnet Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Barnet Tunnel@ railway tunnel\n","link":"","lat":51.6295,"lon":-0.1582,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q5552502\" title=\"Q5552502\"\u003EGerrards Cross Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Gerrards Cross Tunnel@ railway tunnel\n","link":"","lat":51.588343,"lon":-0.553007,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q116702014\" title=\"Q116702014\"\u003EHadley Wood North Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Hadley Wood North Tunnel@ railway tunnel\n","link":"","lat":51.6720744,"lon":-0.1763445,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q116702013\" title=\"Q116702013\"\u003EHadley Wood South Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Hadley Wood South Tunnel@ railway tunnel\n","link":"","lat":51.6659153,"lon":-0.1759713,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q16996369\" title=\"Q16996369\"\u003ELinslade Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Linslade Tunnel@ railway tunnel\n","link":"","lat":51.9254,"lon":-0.6765,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q116702051\" title=\"Q116702051\"\u003ENorthchurch Tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Northchurch Tunnels@ railway tunnel\n","link":"","lat":51.7712793,"lon":-0.5851313,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q107564527\" title=\"Q107564527\"\u003ENortholt tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Ehigh-speed railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Northolt tunnel@ high-speed railway tunnel\n","link":"","lat":51.536,"lon":-0.319,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q116701855\" title=\"Q116701855\"\u003EPonsbourne Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Ponsbourne Tunnel@ railway tunnel\n","link":"","lat":51.7416783,"lon":-0.1008099,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124414239\" title=\"Q124414239\"\u003EWatford East Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1874 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Watford East Tunnel@1874 railway tunnel\n","link":"","lat":51.681784,"lon":-0.41802,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124407150\" title=\"Q124407150\"\u003EWatford Tunnels\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Watford Tunnels@ railway tunnel\n","link":"","lat":51.681507,"lon":-0.419055,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q124414230\" title=\"Q124414230\"\u003EWatford West Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E1837 railway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Watford West Tunnel@1837 railway tunnel\n","link":"","lat":51.681507,"lon":-0.419055,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q116701682\" title=\"Q116701682\"\u003EWelwyn North Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Welwyn North Tunnel@ railway tunnel\n","link":"","lat":51.8368562,"lon":-0.1853459,"icon":"/images/0/04/M_tunnel.png"},{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca href=\"/Q116689751\" title=\"Q116689751\"\u003EWelwyn South Tunnel\u003C/a\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003Erailway tunnel\n\u003C/p\u003E\u003C/div\u003E","title":"Welwyn South Tunnel@ railway tunnel\n","link":"","lat":51.8277899,"lon":-0.1900868,"icon":"/images/0/04/M_tunnel.png"}],"imageoverlays":null}

---

• All subterranean sites

---

• Alamy
• Flickr
• Google Books
• Library of Congress
• Online Books
• Reasonator
• Tripadvisor
• Wikimedia ViewIt
• Wikimedia
• YouTube
• other websites

Type	Date	Description	Keywords	Notes	Source
link		Subterranea Britannica article@			Wikidata
site		Aylesbury Buckinghamshire County Emergency Centre	civil defense center		Wikidata
site	1939	Battle of Britain Bunker	military museum, bunker, tripadvisor		Wikidata
site		Beaconsfield Buckinghamshire County Standby Emergency Centre	civil defense center		Wikidata
site		Chiltern District Council Emergency Centre	civil defense center		Wikidata
site		Finchley Borough Control	civil defense center		Wikidata
site		Hayes Sub Area Control	civil defense center		Wikidata
site		Hemel Hempstead Dacorum Borough Council Emergency Centre	civil defense center		Wikidata
site		Hertford bunker	bunker		Wikidata
site		Hillingdon Borough Control	civil defense center		Wikidata
site		Luton County Borough Control	civil defense center		Wikidata
site		Middlesex County Control	civil defense center		Wikidata
site		Mill Hill North West London Group Control	civil defense center		Wikidata
site		Northolt Sub Control	civil defense center		Wikidata
site		Oxgate Admiralty Citadel	bunker		Wikidata
site		Paddock	bunker		Wikidata
site		Southall London North West Group War HQ	civil defense center		Wikidata
site		St Albans City and District Council Emergency Centre	civil defense center		Wikidata
site		Uxbridge Anti-Aircraft Operations Room	bunker		Wikidata
site		Watford Royal Observer Corps Group Headquarters	bunker		Wikidata
site		Grotto 130 Metres To South Of Ascott House	grotto		Wikidata
site		Grotto About 70 Metres North East Of Dancers Hill House	grotto		Wikidata
site		Grotto At Dropmore	grotto		Wikidata
site		Grotto By Lake C250 Metres North East Of Eythrope Pavilion	grotto		Wikidata
site		Hellfire Caves	fixed construction, show cave, tripadvisor		Wikidata
site		The Grotto	grotto		Wikidata
site		Bugle Quarry	quarry		Wikidata
site		Castle Lime Works Quarry	quarry		Wikidata
site		Disused quarry	quarry		Wikidata
site		Harefield Pit	chalk quarry		Wikidata
site		Hexton Chalk Pit	chalk quarry		Wikidata
site		Hill End Pit	chalk quarry		Wikidata
site		Kensworth Chalk Pit	chalk quarry		Wikidata
site		Moor Mill Quarry, West	quarry		Wikidata
site		Pitstone Quarry	quarry		Wikidata
site		Sundon Chalk Quarry	quarry		Wikidata
site		Sundon Quarry	quarry		Wikidata
site		Totternhoe Chalk Quarry	quarry		Wikidata
site		Barnet Tunnel	railway tunnel		Wikidata
site		Gerrards Cross Tunnel	railway tunnel		Wikidata
site		Hadley Wood North Tunnel	railway tunnel		Wikidata
site		Hadley Wood South Tunnel	railway tunnel		Wikidata
site		Linslade Tunnel	railway tunnel		Wikidata
site		Northchurch Tunnels	railway tunnel		Wikidata
site		Northolt tunnel	high-speed railway tunnel		Wikidata
site		Ponsbourne Tunnel	railway tunnel		Wikidata
site	1874	Watford East Tunnel	railway tunnel		Wikidata
site		Watford Tunnels	railway tunnel		Wikidata
site	1837	Watford West Tunnel	railway tunnel		Wikidata
site		Welwyn North Tunnel	railway tunnel		Wikidata
site		Welwyn South Tunnel	railway tunnel		Wikidata