Across
- 2. Second longest watercourse in Africa
- 3. Major Alaskan and Canadian waterway
- 8. Waterway that supports the world’s largest tropical rainforest
- 11. Southeast Asian waterway flowing into the Andaman Sea
- 12. Watercourse that serves as a boundary between Europe and Asia
- 13. World's longest water body, passing through Egypt
- 16. Watercourse that travels through Southeast Asia
- 20. Waterway that forms part of the border between Russia and China
- 22. Principal watercourse of Myanmar
- 24. Major U.S. watercourse flowing from Minnesota to the Gulf of Mexico
- 26. Longest watercourse in France
- 27. Major water body flowing through the Caucasus in Georgia
- 29. Australian water body that joins the Murray
- 30. Canal linking the North Sea to the Black Sea
- 32. Water body that runs along the border between Moldova and Ukraine
- 34. Water body that flows through Rome
- 35. Ancient watercourse that runs through the Middle East
- 38. Waterway flowing through Siberia
- 41. Water body that partially separates Spain and Portugal
- 43. Major waterway in Venezuela
- 44. Principal waterway running through London
- 46. Longest water body in Europe
- 47. Water body flowing through Berlin
- 48. Water body associated with Chinese history
- 49. Waterway in South America that merges with the Paraguay
Down
- 1. Major U.S. waterway known for the Grand Canyon
- 4. Water body that flows through Iraq, often paired with the Euphrates
- 5. German waterway that flows into the North Sea
- 6. Water body that flows through Russia and ends at the Sea of Azov
- 7. Sacred waterway in India
- 9. Largest waterway flowing through South America
- 10. Source of the larger African water body, originating in Ethiopia
- 14. Main watercourse in Pakistan
- 15. New York waterway named after an explorer
- 17. Southeast Asian water body with a colorful name
- 18. Longest water body in the Iberian Peninsula
- 19. Poland's longest water body
- 21. Watercourse that forms part of the border between the U.S. and Mexico
- 23. European waterway running through 10 countries
- 25. U.S. water body that helped guide westward pioneers
- 28. African water body known for Victoria Falls
- 31. Watercourse known for flowing through Germany and the Netherlands
- 32. Main water body flowing through Ukraine
- 33. Famous French waterway flowing through Paris
- 36. Longest water body in Italy
- 37. French waterway that meets the Dordogne to form the Gironde Estuary
- 39. Longest waterway in Asia
- 40. Main watercourse in Colombia
- 42. Main water body in Australia
- 45. Italian waterway flowing through Florence