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Kent houses a significant number of internationally important sites, including Special Protection Areas, Ramsar Wetlands, Special Areas of Conservation, Sites of Special Scientific Interest, National Nature Reserves, Environmentally Sensitive Areas, Local Wildlife Sites, Roadside Nature Reserves and Areas of Outstanding Natural Beauty.
The hamlet also gives its name to Mucking Flats, the mudflat on the estuary to the east of the village, one of Essex's Sites of Special Scientific Interest and once the site of a small lighthouse.