Thetford Forest, located 18 miles east of Ely, offers well-maintained hiking and biking routes, including the Icknield Way, which is supposedly Britain’s oldest road. There are also prehistoric sites like Grime’s Graves flint mine in the forest’s north. Thetford Forest’s northern edge, above Ickborough, contains two good campsites. You can also explore different options for camping near Ely on Hipcamp.