Visit Events and Open Days Open Day Join us for a fun-filled day out at the Royal Gunpowder Mills. Step back in time and explore the fascinating history of our historic gunpowder factory. Uncover the secrets of this unique site while enjoying the stunning natural beauty of its greenery and woodlands. Experience the Grade I-listed Gunpowder Incorporating Mill and discover the stories behind its design and use, dating back to the 1860s, and learn how this landmark shaped the industrial era and beyond.The day is packed with exciting activities for all ages, including: Rocket-making workshops: unleash your creativity and build your own miniature rocket! (rocket-making may be replaced by other children's crafts on themed open days.) Tractor-trailer tours: explore the restricted areas of our site with fun and informative guided tours. Railway rides: hop aboard for a charming ride through the site’s scenic areas. Interactive exhibitions and hands-on displays: engage with history like never before. Whether you're a history buff, a family seeking adventure, or simply looking to enjoy a fun-filled day outdoors, the site offers something for everyone. Don’t miss out on this unique opportunity to explore one of Britain’s most intriguing historical sites! Book Manage Cookie Preferences