Definitions

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Across
  1. 3. the natural shape of the earth's surface
  2. 6. the area between 2 hills or mountains
  3. 7. a protected forest
  4. 9. a highland not as rugged as a mountain
Down
  1. 1. a set of mountains
  2. 2. the side of a hill or mountain
  3. 4. a flat-topped mountain
  4. 5. a highland measuring 600m
  5. 8. the highest point of a mountain