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Photo: Dudley Miles, CC BY-SA 4.0 via Wikimedia Commons
Try the Shoebury Ranges walk, about 5 km of gravel and tarmac paths.
Gunners Park and Shoebury Ranges is a 25 hectare nature reserve in Shoeburyness in Essex. It is managed by the Essex Wildlife Trust (EWT). Part of Gunners Park is Shoeburyness Old Ranges Local Nature Reserve, which is itself part of the Foulness Site of Special Scientific Interest. At the eastern end of Gunners Park is the Danish Camp, a Scheduled Monument.
© OpenStreetMap contributors
Just opposite the church in Churchend is the Heritage Centre, which was a school until 1988 and then lay derelict until 2003 when it was reopened as a heritage centre. Visitors must stop at Landwick Police Lodge to sign in their car details and obtain a pass permitting access onto the island to visit the Heritage Centre. The Heritage Centre has displays on the history of the island, old school photos, photos of the last night of the second pub in Courtsend, and even the old plans and protest signs from the time when the government planned London's third airport near the island on Maplin Sands. The centre is run by volunteers who are friendly and always happy to answer questions about the history of the island. They appreciate a donation and feedback in the visitors' book.