It doesn’t matter where you start. Just start.
Do the C&C Club allow non-members? "Non-members welcome"
We have stayed here errors Bellingham Camping and Caravanning Club Site, NE48 2JY &siteTypes=1, 2, 3, 5 The village site is less so
There is another small campsite near the village centre of Bellingham called Demesne Farm. http://www.demesnefarmcampsite.co.uk/ I have stayed there a couple of times, facilities are good and they do a cycle-camper rate.
The village green at **** (I'm not going to say where in public) PM me.Public toilets and a notice that 'you can camp for one night only'
Keilder forest can be a bugger for mossies at the wrong time of year.