Events and Open Days Open Days - Sundays at the Mills Sundays at the Mills The Royal Gunpowder Mills has something for everyone. Activities for all ages include rocket-making, tractor-trailer tours, railway rides, interactive exhibitions, armoury handling sessions and more! Explore our historic gunpowder factory with its numerous Listed buildings, Scheduled monuments and museum exhibitions. Located in 170 acres of woodland, waterways and open space between Lee Valley Park and Waltham Abbey. There’s a chance to see our herd of deer and a range of wildlife. The perfect way to spend your Sunday. Why not make a day of it and bring a picnic? Book early to avoid disappointment - Tickets Adult £15, Child under 16 £10, Under 5s free. £50 Family up to 4 children. See Reviews 28 July - Tickets from £10 11 August - Buy tickets from £10 25 August - Buy tickets from £10 MORE Sundays 8 September, 22 September, 13 October, 27 October, 10 November and 24 November, 8 December Saturday 2 November FIREWORKS Subscribe to our mailing list and Follow Royal Gunpowder Mills on Facebook so you don't miss our events and ticket releases. Other ways to visit We welcome private visits to our site throughout the year: For clubs or social groups, find out more at Group Visits. Teachers and pupils enjoy our Schools Programme. We would love to liaise with you for Event planning or to Hire our unique spaces - email [email protected] Subscribe to our mailing list and Follow Royal Gunpowder Mills on Facebook so you don't miss our events and ticket releases. Manage Cookie Preferences