Thanks for replies, especially the tips from Jim Shoe with the weather link and the idea from Guidry to video the intro.
Dick_B - we work in tourism and are coming from Turkey; November is the only month we can take a 3 month break.
Like your attitude, SteveAE; we also love to hike, in any temperature, so not too worried about being cold. Just the practicalities of keeping the RV functioning. Any particular tips to help "increase the comfort level?"
Many thanks all.
PS Found a couple of sites on the edge of the park which have hookups; might be a safer choice for us.