If you are stuck for some ideas where to go, Ride Magazine may have the answer:- http://www.ride.co.uk/Routes/ & http://www.ride.co.uk/Routes2/
The "Bikers' Britain" book was written by Ride Magazine's Simon Weir, have used it to plan some UK Tours:- http://www.msgbikegear.co.uk/Product/db ... as-Present