Yellowstone, Grand Tetons or Glacier Access
We're making our maiden voyage starting 5/24 towing a 21' TT. We'll be going from Southern California to Michigan via the 90 to go around Colorado. Since it's our first trip with this TT DH doesn't w...
Forum Discussion
The going-to-the-sun highway usually does not open till early July due to snow. You can't go across it with your trailer anytime but you could still find plenty of campgrounds on either side of the Park or part way into the Park. I probably wouldn't go there till late May or early June. The season starts a little earlier at YNP but, still, much of the Park is at 8000 ft. or more. It partly depends on your tolerance for uncertain temperatures.
