National Parks Journal

Credits & Sources

Data sources

  • National Park Service — Park information, entrances, lodging, entrance fees, activities, events, visitor statistics, and park photos (public domain).
  • PRISM Group, Oregon State University — Monthly climate normals, 1991–2020 (Alaska 1981–2010); prism.oregonstate.edu, accessed Oct 5, 2026.
  • NOAA National Centers for Environmental Information — 1991–2020 climate normals for parks in Hawaiʻi, the U.S. Virgin Islands, and American Samoa.
  • U.S. Geological Survey — Elevations of weather locations, and place locations (GNIS) for towns without a Census place.
  • U.S. Census Bureau — Town boundaries and locations, and lodging business counts (County Business Patterns) used to choose towns to stay in. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
  • © OpenStreetMap contributors — Park entrance and airport terminal locations, town centers and lodgings, the map data behind airport-to-park and town-to-park road distances (routing via OSRM and Valhalla), and location search in the Park Finder (via Nominatim).
  • Federal Aviation Administration — Airport passenger numbers used to classify airports as major, mid-size, or small (public domain).
  • OurAirports — Airport locations and codes (public domain).

Information may change. Always check nps.gov for current conditions.

Photo credits

Park photos are public domain works of the National Park Service or are used under Creative Commons licenses. Photos may be cropped and resized.