Would positioning the trailer on blocks, like you were leveling the trailer from side to side but in this case just raising it, at the campsite give you enough height?
2013 Ford Explorer 4WD, GVWR 6160, GCWR 10160, Max Tongue Wt 500#, Reese WD Hitch 66151
2012 Skylark 21FBV, GVWR 3500, New July 2013
N Scale Model Railroader
Family History Researcher
Former Canoe Camper & Retired Airline Pilot