Across
- 3. An area of fairly level high ground.
- 5. The point in which a river meets the sea.
- 7. The point at which a river begins.
- 8. A deep gorge, typically one with a river flowing through it.
- 10. The process by which rock, soil etc is removed via water, wind or other natural agents.
- 12. A large natural elevation of the earth's surface rising abruptly from the surrounding level; a large steep hill.
- 13. A slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.
- 17. A series of mountain connected, more or less, in a line.
- 18. An isolated flat-topped hill with steep sides, found in landscapes with horizontal strata.
Down
- 1. A place on the coast that is very useful as it offers safe mooring to sea craft.
- 2. A pebbly or sandy shore, especially by the sea between high- and low-water marks.
- 4. A mound or ridge of sand or other loose sediment formed by the wind, especially on the sea coast or in a desert.
- 5. A specially designed harbour with moorings for pleasure yachts and small boats.
- 6. A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapour, and gas are or have been erupted from the earth's crust
- 9. A river or stream flowing into a larger river or lake.
- 11. A narrow point of land projecting into the sea.
- 14. A large natural stream of water usually flowing into the sea or ocean.
- 15. A large area of flat land with few trees.
- 16. A triangular tract of sediment deposited at the mouth of a river, typically where it diverges into several outlets.
