Happy Birthday Will!

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Across
  1. 2. Activity involving trails, snacks and sore calves
  2. 4. Tiny flying camping enemy
  3. 7. Clear liquid with dangerous confidence
  4. 10. Sleeping outdoors voluntarily
  5. 12. Road trip essential
  6. 13. Morning campsite drink necessity
  7. 14. Temporary outdoor home
  8. 15. Hangover prevention attempt
  9. 17. The thing hikers pretend weighs "not that much"
  10. 19. Classic camping treat
Down
  1. 1. Yearly reminder you're aging
  2. 3. West Coast trail city
  3. 5. What everyone sings awkwardly
  4. 6. Natures soundtrack
  5. 8. Decorations guaranteed to end up on the floor
  6. 9. Tall trees + peace and quiet
  7. 11. Popular Vancouver lookout hike
  8. 16. Campfire cooking tool
  9. 18. What ruins a perfect song transition