Originally Posted by tipaulfla
Wondering what everyone suggests. Map quest has two routes
1) U.S.-189 south to I-80 or
2) U.S.-26 to WY-22 to I-15S
First time out west in my 40ft DP, so I'm a little weary about steep passes.
So whatever the easiest drive is, that's what I'll take .
Thanks for your help,
Tipaulfla( I am a Florida boy, so that's my reason for avoiding steep passes)
WY 22 will take you over Teton Pass, 10% grade up and down the other side. Not recommended for RVs. US 189 is a pretty good route, some landslide construction south of Hoback Junction on occasion. (Just checked, no construction but falling rock warning 7/8/15) but the easiest from Jackson.
You could take US 26, which goers to Alpine, WY and then skirts Palisades Reservoir to Idaho Falls, S on I-15.
If you're coming from Yellowstone, you could go out the West Entrance on US 20 to Idaho Falls and I-15.