pompomgirlExplorerAug 27, 2013YellowstoneBeen away from the forum for a while - work, work, work. Now we're thinking of taking the MH to Yellowstone for a week sometime in September. Having never been there, I have a few obvious questions:...Show More
2gypsies1Explorer IIIAug 27, 2013Here's the national park's website and it lists the campgrounds and closing dates. Mammoth is open year-round.If you look in the far left column you will see a heading "Things To Do". Perhaps this will help you.Yellowstone Campgrounds & Closing Times
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