ParkCrowdCalendar
When should you actually go?
“When is the least crowded time to visit each US national park?”
Month-by-month crowd levels, weather, and daylight for 385 National Park System units, distilled into a best-time-to-visit score that surfaces the shoulder-season window for any park. Built from NPS visitor-use statistics and NOAA climate normals.
NPS visitor-use stats + NOAA climate normals become a best-time-to-visit / shoulder-season score for all 385 National Park System units, owning the 'when to visit / least crowded' trip-planning intent (esp. the ~340 non-marquee units) and converting it through Stay22 gateway-town lodging affiliate placements + email. Part of the recreation cluster led by the lakequality.org flagship.
Sector
Travel & Outdoors
Launched
2026-06
Data Source
NPS Visitor Use Statistics