I have a 40 foot phaeton. I will be driving west from tennesseeye to the Yellowstone area. I want to go to the grand Teton area and also Yellowstone. I have plenty of time and if getting into those a...
Take I80 west to Rock Springs, WY and then go north on US 191 right into the south end of the town of Jackson. See what you wish in Jackson Hole ( Grand Teton NP) and when tired head north again on US89 right into the south entrance of Yellowstone.
My preference is to go thru the park and stay at Grizzly RV park out the west gate in the town of West Yellowstone.