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Your guide to all 63 US national parks — plan trips, track visits, explore
Sixty-Three — the most beautiful guide to America's 63 national parks. 332 million people visited national parks last year. Whether you're planning your first trip to Yellowstone or checking Glacier off your bucket list, Sixty-Three has everything you need — and nothing you don't. No subscription. No clutter. No account required. Just open it and go. PLAN YOUR NEXT TRIP Browse all 63 parks with best times to visit, top hikes, scenic drives, entrance fees, campground details, and family-friendly activities. Build trips with dates, reservation details, and smart reminders so you never forget a booking. Add trips to your calendar with one tap. WORKS OFFLINE — NO SIGNAL REQUIRED Park guides are built right into the app. No cell service at Canyonlands? No problem. Your guides, trips, and visit history work without internet. TRACK YOUR PARK PASSPORT Mark parks as visited and watch your list grow. Track your progress across all 63 national parks — see how many you've explored and how many are still waiting. BOOK CAMPSITES & CHECK RESERVATIONS Jump to Recreation.gov to reserve campsites, permits, and tours. Know which parks need reservations in 2026 and which ones dropped them. 26 LANGUAGES Planning from Tokyo, Berlin, or São Paulo? Sixty-Three supports 26 languages. Most park apps are English-only. WHY SIXTY-THREE? - Detailed guides for all 63 national parks - Trip planner with reminders and calendar sync - Park passport with visit tracking - Offline access — no signal needed - Campsite booking via Recreation.gov - 26 languages - Dark mode - Free. No subscription. No account. Companion to "The Complete 63 National Parks Guide," available on Amazon. All 63 in your pocket. DATA SOURCES Park information is sourced from official U.S. government sources: - National Park Service: https://www.nps.gov - Recreation.gov: https://www.recreation.gov - NPS Visitation Data: https://irma.nps.gov/Stats DISCLAIMER Sixty-Three is an independent app and is not affiliated with, endorsed by, or operated by the National Park Service, the U.S. Department of the Interior, or any other government entity.
past month, based on 1 day
Downloads
Low confidence3
From install count ÷ months since release
In-app revenue
$0
No in-app purchases
Ads
$1
$0 – $1
Estimate, ads (benchmark-based, not calibrated per app)
Total
$1
In-app + ads
Google Play only. Downloads from daily Top free ranks (or the store's install count); in-app revenue from Top grossing ranks, calibrated on AppTweak's US estimates, or else from downloads; ads from public ad benchmarks. Not reported figures.