Yellowstone National Park
The world's first national park — geysers, canyons, and wild bison herds.
About this area
Yellowstone protects over 2.2 million acres of geothermal wonders, deep canyons, and one of the largest free-roaming bison herds in the country, spanning parts of Wyoming, Montana, and Idaho. Most park campgrounds operate mid-May through mid-October, with Mammoth Campground open year-round.
Park Size
2,221,766 acres
Highest Peak (Eagle Peak)
11,358 ft
Best Time to Visit
Jun – Sep
Places to stay
Find your perfect campsite near Yellowstone National Park
Things to do
Old Faithful & Geyser Basins
Walk boardwalks past the world's greatest concentration of geysers, hot springs, and mudpots.
Grand Canyon of the Yellowstone
View two dramatic waterfalls from overlooks above a canyon carved through volcanic rock.
Lamar Valley Wildlife Watching
Spot wolves, grizzly bears, bison, and elk in a valley often called “America's Serengeti.”
Yellowstone Lake
Paddle or fish North America's largest high-elevation lake, ringed by the Absaroka Mountains.
Good to know (FAQ)
Yes — most in-park campgrounds require advance reservations, especially for RV sites in July and August.
Yes, though some campground loops and roads have length restrictions — check current limits before arriving with a larger rig.
Yes, a park pass is required and can be purchased online or at entrance stations; America the Beautiful annual passes are accepted.
No — pets must stay within 100 feet of roads, parking areas, and campgrounds, and are not allowed on boardwalks or backcountry trails.
Stories & guides
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