Gunpowder Mills is the home of 300 years of curious history at London’s wild edge.

Discover stories of gunpowder, technology, rockets, canals and wildlife set in idyllic setting of 170 acres of woodland in the Lee Valley.

Visit one of Essex’s best-kept secrets this weekend for a fun-filled family trip full of trains, tractors, deer - and lots of running about outdoors!

We are open every weekend from 4 April - 27 September 2026.