Walden Castle Walden Castle Walden Castle was a medieval castle in Essex, England, built during the Anarchy of the 12th century. Only the ruined core of the structure remains today. Walden Castle was built in the town of Saffron Walden in Essex at the start of the civil war known as the Anarchy by Geoffrey de Mandeville, with much of the work occurring between 1141 and 1143. It was one of several castles built by de Mandeville to reinforce his power across the region. The castle stood on a natural high point within the town () and had a square Norman keep
Saffron Walden market place. This was demolished in 1847 to make way for a corn exchange. In the 16th–17th centuries the saffron crocus ("Crocus sativus") was widely grown, thanks to the town's favourable soil and climate. The flower was valuable, as the extract from the stigmas was used in medicines, as a condiment, in perfume, as an aphrodisiac, and as an expensive yellow dye. The industry gave Walden its name. The town and surrounding area, like much of East Anglia, was strongly Puritan during the 17th century. The population was influenced by the missionary John Eliot. By 1640, Samuel Bass's family and