Recently I did a 10 day camping trip to Yellowstone National Park. For anyone wanting to go take this advice to heart. Go to the campground of your choice first thing in the morning and select a camp site. Set up your tent and then go out and explore. Also, the best camp site in Yellowstone proper is Norris campground. It's located right on a small river winding through a meadow and it's an easy hike to the Norris geyser basin, which will require at least 2 full days to explore - and it's fantastic.
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