Gary,
Are you a member of the Caravan Club?
River Breamish site at Powburn is one of our favourites.You have the choice of grass pitches or hard standing and the toilet block facilities are excellent.
Nunnykirk is also a lovely quiet site BUT has no toilet facilites.If you like it quiet,then that's the place for you.
Both of these sites accept non-members.......see the Club website for details.
Maureen