The route will take you from Histon to Rampton via Oakington and is around 8 miles. It can be done in two circuits. The route is along Permissive paths, Bridleways and The Guided Bus Route. Parts of it are popular with Dog walkers and the Guided Bus Way can be very busy with cyclists at weekends.. There are No Stiles and you will not cross any fields with animals. Parts can be very muddy after heavy rainfall but at the time of setting the paths were dry. For the caches you will require Tweezers. Ther are thre other caches en route. Car Trap. Top of the Hill and Engleby