Across
- 4. - Africa's highest free-standing mountain
- 6. - Longest river in Europe
- 10. - North America's highest peak
- 12. - Tallest mountain in the world
- 13. - European river known for its castles
- 14. - African mountain range in Morocco
- 16. - Iconic European river
- 19. - Eastern North American mountain range
- 20. - Longest river in Africa
Down
- 1. - Canadian river known for gold rush history
- 2. - Asia's youngest and tallest mountain range
- 3. - Asia's longest river
- 5. - Mountain range in North America
- 7. - Sacred river in India
- 8. - River carving the Grand Canyon
- 9. - Major river in North America
- 11. - Mountain range separating Europe and Asia
- 15. - Longest mountain range in the world
- 17. - South America's largest river
- 18. - Famous European mountain range