When to go.
Without the crowd.

Pick any national park and see exactly how busy each month gets — with the shoulder season windows, permit warnings, and the month most people miss.

📅Month-by-month crowd levels
🌱Best shoulder season windows
🎫Permit & reservation warnings
📊NPS monthly averages (2021–2025)
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Popular:
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Pick a park to begin

Search above or tap one of the popular parks to see its full crowd calendar with shoulder season windows and permit info.

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Reservations & access (2026)

When to go

Recommended —
Avoid —
Peak month —
Quietest —

Month-by-month crowd score (1 = empty, 10 = peak). Green border = recommended months above. Click any month for visit counts.
Crowd level:
Very quiet
Moderate
Busy
Peak
Access / permit note
Sweet spot
Avg monthly visitors (NPS 2021–2025 average; 2020 excluded)
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Data: NPS Visitor Use Statistics (IRMA) · Monthly recreation visit averages (2021–2025; 2020 excluded) · 2025 annual totals match our 2025 park report · Permit notes updated May 2026 · Built by TrailVerse