Where to see a Gray Hairstreak in Washington

The Gray Hairstreak is recorded in the counties of 45 Washington state parks (research-grade iNaturalist observations). Ranked by how often it is observed in each area:

  1. Steamboat Rock State Park
  2. Sun Lakes-Dry Falls State Park
  3. Potholes State Park
  4. Sunlake State Park
  5. Moses Lake State Park
  6. Summer Falls State Park
  7. Northrup Canyon State Park
  8. Crow Butte State Park
  9. Wallula State Park
  10. Ahtanum State Forest
  11. Yakima Sportsman State Park
  12. Indian Painted Rocks State Park
  13. Iron Horse State Park
  14. Lake Easton State Park
  15. Helen McCabe State Park
  16. Naneum Ridge State Forest
  17. Olmstead Place State Park
  18. Ginkgo Petrified Forest State Park
  19. Wormald State Park
  20. Reed Island State Park
  21. Paradise Point State Park
  22. Battle Ground Lake State Park
  23. Fields Spring State Park
  24. Columbia Hills Historical State Park
  25. Maryhill State Park

These are county-level records — the species is documented in the area around each park, which is a strong steer rather than a guarantee for the park itself.

Gray Hairstreak in other states → · All Washington state parks →