National Park · Wyoming & Montana & Idaho
Yellowstone National Park
The world’s first national park — geysers & wildlife
StatesWyoming & Montana & Idaho
Best seasonLate spring–fall
Don’t missOld Faithful & Grand Prismatic
TerrainGeyser basins, canyon & wildlife valleys
Yellowstone sits atop a supervolcano, which is why it’s the planet’s greatest concentration of geysers and hot springs — plus canyons, waterfalls, and the best wildlife watching in the Lower 48. Summer is busiest; spring and fall are quieter and wild.
What to see
- Old Faithful & Upper Geyser Basin
- Grand Prismatic Spring
- Grand Canyon of the Yellowstone
- Lamar & Hayden Valleys
- Mammoth Hot Springs
Plan around it
Check the park’s official site for current entrance fees, timed-entry or permits, road and seasonal closures before you go.