Across
- 2. Spring
- 3. To Discover
- 5. To Traverse
- 7. Rapids
- 9. Marsh
- 10. Cave
- 12. To Climb
- 13. Canyon
- 15. Reef
- 18. Badlands
- 20. Mesa
- 21. To Navigate
- 23. Aasis
- 24. Terrace
- 27. Swamp
- 29. Gorge
- 30. To Guide
Down
- 1. Highland
- 4. Waterfall
- 6. Oxbow Lake
- 8. Plateau
- 11. Fjord
- 14. Glacier
- 16. Grasslands
- 17. Cliff
- 19. Bayou
- 22. Archipelago
- 25. Itsthmus
- 26. Atoll
- 28. Lagoon