Beach

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Across
  1. 4. Relating to high mountains, especially the Alps
  2. 6. Highest point or peak of a mountain
  3. 7. Dense growth of trees and vegetation
  4. 8. Paths or tracks through outdoor areas
  5. 10. Deep valleys with steep sides
  6. 13. Outdoor activity of staying overnight in a tent or camper
  7. 16. Cascading streams of water
  8. 17. Outdoor activity of walking in nature
  9. 18. Relating to or done outside, in nature
  10. 19. The natural world and its phenomena
  11. 20. Beautiful or picturesque
Down
  1. 1. Animals and plants living in their natural habitat
  2. 2. Panoramic or scenic outlooks
  3. 3. Undeveloped and uncultivated land
  4. 5. Large natural flowing watercourse
  5. 9. Large natural elevation of the earth's surface
  6. 11. Exciting or daring experience
  7. 12. Inland bodies of water surrounded by land
  8. 14. Hiking and camping while carrying one's belongings in a backpack
  9. 15. Animals and plants living in their natural habitat