Me and two friends are looking to do a short sponsored ride at the end of next month, stopping in B&Bs and the like along the way. We are not that fit so were looking to do appx 30-50 miles per day. We'd prefer to go somewhere without too much need to cycle on roads especially not busy ones. We are based in Sheffield but quite happy to get the train one way and cycle back here or get the train back at the other end. Are there any good routes you knowledgable people can suggest? We are quite flexible so these criteria are not set in stone. Thanks in advance.