Park №61Rocky MountainsEst. 1872
Yellowstone
Wyoming·2,219,791 acres·May–September
“The world's first national park — a wonderland of geysers, hot springs, and wildlife.”
Best season
May–September
Trip length
3–5 days
Acres
2,219,791
Region
Rocky Mountains
Plan your visit
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Highlights
- Old FaithfulErupts every 60–110 min, 100–180 ft high — predicted at the visitor center.
- Grand Prismatic SpringLargest hot spring in the U.S. with rainbow microbial mats.
- Lamar Valley'America's Serengeti' — wolves, bison, grizzlies on the northeast side.
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- ✓ Official NPS park map
- ✓ Top trails with difficulty + stats
- ✓ Where to eat & where to stay
- ✓ Day-by-day itinerary
- ✓ Wildlife & fun facts
- ✓ Insider tips, side trips & fees
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