Weather
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NPS Alerts
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Entrance
$35
No permit needed
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⭐ Highlights
→Old Faithful — erupts every 44–125 minutes
→Grand Prismatic Spring — largest hot spring in US
→Lamar Valley — best wildlife viewing in North America
→Grand Canyon of Yellowstone — 308 ft Lower Falls
⚠ Before you go
!Stay on boardwalks — thermal features scalding
!25 yards from bison, 100 yards from bears
!Book campsites 6+ months in advance
When to visit
Yellowstone by Season
Spring (Apr–May)
Fewer crowds. Baby bison.
Summer (Jun–Aug)
All roads open. Best wildlife.
Fall (Sep–Oct)
Elk rut in September.
Winter (Nov–Mar)
Snowcoach access only.