Across
- 6. Remote Australian region
- 7. High coastal land
- 8. Low land between mountains
- 10. Moving rivers of ice
- 14. Land separating watersheds
- 15. Deposits around geysers
- 17. Natural split or crack
- 18. Stone piles for navigation
- 19. Coastal tropical tree
- 20. Pertaining to river deltas
- 23. Enclosed depression in land
- 24. Small rounded hill or mound
- 26. Small natural water channel
- 29. Table-like elevated landform
- 30. Place where rocks are mined
Down
- 1. Slow-moving water body
- 2. Land reclaimed from the sea
- 3. Crack in Earth's crust
- 4. Narrow river-carved valleys
- 5. Sharp mountain summit
- 9. Narrow land extending into water
- 11. Path along a ridge
- 12. Fragment of Earth's crust
- 13. Ridge formed by glaciers
- 16. Coastal lowland region
- 21. Area with chalky soil
- 22. Loose stones on mountain slopes
- 25. Isolated flat-topped hill
- 27. Deep, narrow valley
- 28. Estuary in Scotland