List of Sites of Special Scientific Interest in Essex

This is a list of the Sites of Special Scientific Interest (SSSIs) in Essex. For other counties, see List of SSSIs by Area of Search.

• Abberton Reservoir
• Ardleigh Gravel Pit
• Ashdon Meadows
• Basildon Meadows
• Belcher's & Broadfield Woods
• Benfleet And Southend Marshes
• Blackwater Estuary
• Blake's Wood & Lingwood Common
• Bovingdon Hall Woods
• Bullock Wood
• Canvey Wick
• Cattawade Marshes
• Chalkney Wood
• Clacton Cliffs & Foreshore
• Colne Estuary
• Cornmill Stream and Old River Lea
• Crouch And Roach Estuaries
• Curtismill Green
• Danbury Common
• Debden Water
• Dengie
• Elsenham Woods
• Epping Forest
• Foulness
• Garnetts Wood / Barnston Lays
• Garrold's Meadow
• Glemsford Pits
• Globe Pit
• Goldsands Road Pit
• Grays Thurrock Chalk Pit
• Great Wood & Dodd's Grove
• Hainault Forest
• Hales And Shadwell Woods
• Hall's Quarry
• Hamford Water
• Hangman's Wood & Deneholes
• Hanningfield Reservoir
• Harlow Woods
• Harwich Foreshore
• Hatfield Forest
• High Wood, Dunmow
• Hockley Woods
• Holehaven Creek
• Holland Haven Marshes
• Holland-on-sea Cliff
• Hunsdon Mead
• Inner Thames Marshes
• Lion Pit
• Little Hallingbury Marsh
• Little Oakley Channel Deposit
• Lofts Farm Pit
• Loughton Brook
• Maldon Cutting
• Marks Tey Brickpit
• Mill Meadows, Billericay
• Mucking Flats And Marshes
• Newney Green Pit
• Norsey Wood
• Nunn Wood
• Pitsea Marsh
• Purfleet Chalk Pits
• Purfleet Road, Aveley
• Quendon Wood
• Riddles Wood
• River Ter
• Roding Valley Meadows
• Roman River
• Sandbeach Meadows
• St. Osyth Pit
• Stour And Copperas Woods, Ramsey
• Stour Estuary
• The Cliff, Burnham-on-crouch
• The Coppice, Kelvedon Hatch
• The Naze
• Thorndon Park
• Thrift Wood, Woodham Ferrers
• Thundersley Great Common
• Tiptree Heath
• Turnford and Cheshunt Pits
• Upper Colne Marshes
• Vange & Fobbing Marshes
• Waltham Abbey
• Weeleyhall Wood
• West Thurrock Lagoon & Marshes
• West Wood, Little Sampford
• Wivenhoe Gravel Pit
• Woodham Walter Common