Quietest National Parks in May

These parks run well below their typical crowd levels in May, measured as a crowd index (1.0 = the park's average month) from National Park Service visitation records. A low index means May is one of that park's calmer months — a good window to beat the crowds.

1. 1
   StonewallNew York
   Very quiet0.19×
2. 2
   Governors IslandNew York
   Quiet0.58×
3. 3
   Sleeping Bear DunesMichigan
   Quiet0.63×
4. 4
   Mount RainierWashington
   Quiet0.66×
5. 5
   Wolf Trap National Park for the Performing ArtsVirginia
   Quiet0.66×
6. 6
   Crater LakeOregon
   Quiet0.67×
7. 7
   Apostle IslandsWisconsin
   Quiet0.67×
8. 8
   Wrangell - St EliasAlaska
   Quiet0.67×
9. 9
   Grand PortageMinnesota
   Quiet0.67×
10. 10
    Casa Grande RuinsArizona
    Quiet0.70×
11. 11
    Pictured RocksMichigan
    Quiet0.72×
12. 12
    Salem MaritimeMassachusetts
    Quiet0.73×
13. 13
    Paterson Great FallsNew Jersey
    Quiet0.73×
14. 14
    Organ Pipe CactusArizona
    Quiet0.73×
15. 15
    Gauley RiverWest Virginia
    Quiet0.74×
16. 16
    GlacierMontana
    Quiet0.75×
17. 17
    Lassen VolcanicCalifornia
    Quiet0.76×
18. 18
    Fire IslandNew York
    Quiet0.76×
19. 19
    Jewel CaveSouth Dakota
    Quiet0.76×
20. 20
    Marsh - Billings - RockefellerVermont
    Quiet0.77×
21. 21
    NiobraraNebraska
    Quiet0.77×
22. 22
    SaguaroArizona
    Quiet0.78×
23. 23
    Cedar BreaksUtah
    Quiet0.81×
24. 24
    LowellMassachusetts
    Quiet0.81×
25. 25
    Big CypressFlorida
    Quiet0.82×
26. 26
    Hawaiʻi VolcanoesHawaii
    Quiet0.82×
27. 27
    Rocky MountainColorado
    Quiet0.83×
28. 28
    Theodore Roosevelt IslandDistrict of Columbia
    Quiet0.83×
29. 29
    Lake RooseveltWashington
    Quiet0.84×
30. 30
    EvergladesFlorida
    Quiet0.85×
31. 31
    OzarkMissouri
    Average0.86×
32. 32
    Lincoln BoyhoodIndiana
    Average0.86×
33. 33
    AcadiaMaine
    Average0.87×
34. 34
    Kenai FjordsAlaska
    Average0.88×
35. 35
    CoronadoArizona
    Average0.88×
36. 36
    Palo Alto BattlefieldTexas
    Average0.89×
37. 37
    Medgar and Myrlie Evers HomeMississippi
    Average0.90×
38. 38
    Puʻuhonua o HōnaunauHawaii
    Average0.91×
39. 39
    Point ReyesCalifornia
    Average0.92×
40. 40
    San JuanPuerto Rico
    Average0.92×