On this page you can explore the range of geological sites we have in London, using the links in the tables below to download detailed site descriptions as pdfs.
Greater London Authority (GLA) Geosites
London Sites of Geological Interest (SGI)
The Charlton Member of the Woolwich Formation at Gilbert’s Pit, GLA 14 (photo. Ruth Siddall).
GLA Sites
ID Name Borough GLA 1 Abbey Wood Fossil Bed Bexley GLA 2 Stephens House, Finchley Barnet GLA 3 Beckenham Place Park Lewisham GLA 4 Chelsfield Gravel Bromley GLA 5 Chingford Hatch Waltham Forest GLA 6 Croham Hurst Croydon GLA 7 Crystal Palace Geological Illustrations Bromley GLA 8 Dog Rocks Greenwich GLA 9 Carshalton Urban Dry Valley Sutton GLA 12 Finsbury Gravel, Sadler’s Wells Islington GLA 14 Gilbert’s Pit Greenwich GLA 15 Hainault Forest Country Park Redbridge GLA 17 Happy Valley Croydon GLA 18 Harrow Weald Harrow GLA 19 Hornchurch Cutting Havering GLA 20 Horsenden Hill Ealing GLA 22 Keston Common Bromley GLA 24 Old Gravel Pits, Blackheath Lewisham and Greenwich GLA 25 Putney Heath Wandsworth GLA 26 Riddlesdown Quarry (Rose and Crown Pit) Croydon GLA 29 The Gravel Pits, Northwood Hillingdon GLA 30 Cray Valley Golf Course Sand Pit Bromley GLA 31 North End Pit Bexley GLA 32 High Elms Dene Hole Bromley GLA 33 Elmstead Pit Bromley GLA 34 Harefield Pit Hillingdon GLA 35 Wasnut Pit Bexley GLA 36 Pinner Chalk Mines Harrow GLA 37 Mark’s Warren Farm Quarry Complex Barking GLA 38 Chalky Dell Bexley GLA 39 Erith Submerged Forest Bexley GLA 40 Chislehurst Caves Bromley GLA 41 Klinger Pit, Foots Cray Bromley GLA 42 Kenwood House Quarry, Hampstead Heath Camden GLA 43 Springfield Park Hackney GLA 44 Highgate Wood and Queen’s Wood Haringey GLA 45 Bedfords Park, Havering Ridge Havering GLA 46 Rainham Submerged Forest Havering GLA 48 Thames Foreshore, Isleworth Hounslow GLA 49 Fairlop Quarry Complex (Hainault Quarry) Redbridge GLA 50 Knighton Wood Redbridge GLA 51 Parish’s Pit, Erith Bexley GLA 52 Bromley Palace Park, Pulhamite & St Blaise’s Well Bromley GLA 53 Charmwood Farm Bromley GLA 54 Sundridge Park Manor Pulhamite Grotto Bromley GLA 55 Trent Park Enfield GLA 56 Bleak Hill Sandpit Greenwich GLA 57 Wickham Lane Brickworks Complex Greenwich GLA 58 Cold Fall Wood (including Finchley Cemeteries) Haringey GLA59 Pole Hill Waltham Forest GLA 60 Bourne Wood Bromley GLA 61 Spring Park, Threehalfpenny Wood & Sparrows Den Bromley and Croydon GLA 62 Sipson Lane Quarry Complex Hillingdon GLA 63 Barn Hill Brent GLA 64 Waterlow Park Camden GLA 65 Vanbrugh Pits, Blackheath Greenwich GLA 66 Tripcock Ness Submerged Forest Greenwich GLA 67 Summerhouse Lane Chalk Pit Hillingdon GLA 68 Bedfont Lakes Hounslow GLA 69 Wanstead Flats Redbridge GLA 70 Richmond Park Richmond upon Thames GLA 71 Hollow Pond, Leyton Flats Waltham Forest GLA 72 Monken Hadley Common Barnet GLA 73 Greenwich Park Greenwich GLA 74 Springwell Farm Hillingdon GLA 75 Watt’s Common Hillingdon GLA 76 Rockingham Anomaly Southwark GLA 77 Park Hill Chalk Pit, Carshalton Sutton GLA 78 Wimbledon Common Merton GLA 79 Buckthorne Cutting Lewisham GLA 80 Gunnersbury Park Hounslow GLA 81 Evolution Garden at the NHM Kensington & Chelsea GLA 82 Osterley Park Hounslow
Sites of Geological Interest (SGI)
ID Name Borough SGI 1 Whalebone Lane Ice-Wedge Polygons Barking & Dagenham SGI 2 Barnet Physic Well Barnet SGI 3 Lesnes Abbey Bexley SGI 4 Grange Brick & Tile Works, Willesden Green Brent SGI 5 Gordon Square Sarsen Camden SGI 6 Monolith & Shadow, University College Hospital Camden SGI 7 Memorial to Siege of Malta City of London SGI 8 Hanger Hill Park Ealing SGI 9 Hanwell Sarsen Ealing SGI 10 Shooters Hill Greenwich SGI 11 Thames Barrier Greenwich SGI 12 Blackwall Drift Filled Hollow Greenwich and Tower Hamlets SGI 13 Pinner Hill Golf Course Harrow SGI 14 Caledonian Park Islington SGI 15 Brick & Tile Kiln, Walmer Road, Notting Hill Kensington & Chelsea SGI 16 Ladywell Lewisham SGI 17 New Cross Gate Cutting Nature Reserve Lewisham SGI 18 Bow Creek Meanders Newham and Tower Hamlets SGI 19 City of London Cemetery, Wanstead Newham SGI 20 Fairlop Waters Country Park Redbridge SGI 21 The Ilford Mammoth Redbridge SGI 22 Burgess Park Lime Kiln Southwark SGI 23 Rockingham Anomaly Southwark SGI 24 Walking the Dog: Sculpted Glacial Erratic Southwark SGI 25 Carshalton Park Water Features Sutton SGI 26 Tooting Artesian Parish Pump Wandsworth SGI 27 Tooting Bec Common Fossilised Tree Wandsworth SGI 28 Fossils of Trafalgar Square Westminster SGI 29 York Watergate Westminster SGI 30 William Smith’s House, 15 Buckingham Street Westminster SGI 31 Bromley Millenium Rocks Bromley SGI 33 Regent’s Park Fossil Trees Camden SGI 34 Landline Hanover Square Westminster SGI 35 Shri Sanatan Hindu Mandir Brent SGI 36 The Whetstone & The Griffin Public House Barnet SGI 37 Reinstatement of Branch Hill Pond Camden SGI 38 Harrow Sarsen Boulders Harrow SGI 39 Ruislip and Eastcote Sarsen Boulders Hillingdon SGI 40 ‘Swivel’ by Sabine Marcelis (2022), St Giles Square, WC2H 8AP Camden SGI 41 Harmondsworth Great Barn, Harmondsworth UB7 0AQ Hillingdon SGI 42 Sarsen Boulder in Lampton Park Hounslow SGI 43 Pulhamite Rockwork, Battersea Park SW11 4NJ Wandsworth SGI 44 The Coronation Stone, Kingston-upon-Thames Kingston-upon-Thames
Authors
Laurie Baker , London Branch Open University Geological Society, London Geodiversity Partnership
Theresa Ball, Amateur Geological Society, London Geodiversity Partnership
David Brook , Harrow & Hillingdon Geological Society, London Geodiversity Partnership
Diana Clements , Geologists’ Association, London Geodiversity Partnership
Peter Collins , GeoEssex, London Geodiversity Partnership
Ann Davidson , Birkbeck Alumni, London Geodiversity Partnership
Gerald Lucy , GeoEssex
Vernon Marks , South London RIGS Group, London Geodiversity Partnership
Paul Rainey , Ravensbourne Geological Society, London Geodiversity Partnership
Ruth Siddall , London Geodiversity Partnership
Naomi Stevenson , Natural England, London Geodiversity Partnership
Allan Wheeler , Harrow & Hillingdon Geological Society, London Geodiversity Partnership
