Family Friendly Walks: Nesscliffe Nonsense Robbers, Ramparts & Roundheads. An ancient fortress sleeps in the dark woods of Nesscliffe Hill. But that’s not all. Highwaymen, muggers and bandits once lurked among the trees and caves. Did Roundheads really have big, round heads?Service/Activity is FreeAvailability information All Year. A 2 hour walk (2 miles). We're sorry but <%= htmlWebpackPlugin.options.title %> doesn't work properly without JavaScript enabled. Please enable it to continue.