Defence of the Realm
Explore the military defences of the area, built to safeguard against invasion and attack. Mileage: 38 miles (61 kilometres).
Morning
Starting point: Waltham Abbey (Essex). Gunpowder was produced in the Waltham Abbey area from the 17th C. The Royal Gunpowder Mills became the leading English producer - and today is probably the most important site in Europe for the story of the explosives industry.
Waltham Abbey
Traditional market town - its charter granted by Richard I in 1189.
Royal Gunpowder Mills
A spectacular 170-acre location for a day of family fun. Special events including Spitfire flypast, award winning Secret History exhibition, tranquil wildlife walks, guided land train tours and rocket science gallery.
Lunch
Enjoy lunch in the town at one of the numerous cafes, tearooms and restaurants.
Afternoon
From Waltham Abbey, take the M25 to Junction 28 (A12). At the roundabout, join the A1023 into Brentwood. In the centre of the town, turn left onto the A128 to Kelvedon Hatch. Go underground into the Secret Nuclear Bunker - the biggest and deepest cold war bunker open to the public in South East England. Retrace your steps back along the A128, through Brentwood and onto Orsett. Follow the A13/A1089 to reach Tilbury Fort - England's best example of 17th C. military engineering
Kelvedon Hatch Secret Nuclear Bunker
Ex-government HQ nuclear bunker buried 80ft underground. Complete with kitchen, dormitories, power and filtration plant, plotting floor, government administration room, 120 yard long entrance tunnel, communication and scientists room.
Tilbury Fort
The best and largest example of 17th century military engineering in England, trace the history of this impressive fort from the time of Henry VIII up to World War II
Waltham Abbey
Traditional market town - it's charter granted by Richard I in 1189. The impressive Waltham Abbey Church was founded by King Harold in 1060 - and he is reputedly buried here. Adjacent is a lovely area of parkland and gardens, including a dragonfly sanctuary. 16th C. timber-framed buildings and a fine 'Art Nouveau' Town Hall.

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