To dump and fill with fresh water would be south to Jackson Hole or north to Teton Village if it is open.

Good question. I arrived from Farmington UT with a full fresh tank. Had spent the previous night at a Cabela’s parking lot with dump and fresh water. Sorry I can’t be more help.

We filled our tanks in Alpine, Wyo, before we went up to Jackson Hole. Be careful of the water pump at the truck stop it gushes water very high pressure, (cost me 500 dollars to get it fixed but had to do it.)and broke my regulator in my tank. While in Alpine go eat ath the Yankee Doodle Dandy it was great.