First, have you been camping that is tent RV? Of course RV what size (blended size)?
I’ve camped time that is many the years close to YNP and done both the tent and RV thing.
Additionally just exactly what can you expect in terms of solutions and facilities during the camp grounds?
Some tend to be more complete solution (energy hookups, hot/cold water, showers, numerous RV’s, Sewage dumps, bigger CG’s) or higher of the comprimise (operating chilled water, filtering toilets, medium to big CG) or even the austere kind (clean pit toilets, fresh water, more peaceful, little to medium CG’s)?
Additionally what lengths around YNP are you currently considering?
I’ve recomendations for several of thesebased back at my experiences. Please offer more information and I also shall reply straight straight back with a nioce selection for you personally.