Across

• 4. You need one of these when you go climbing.
• 6. Mountains are made of this.
• 7. This separates two rooms.
• 8. There are a lot of trees here.
• 9. This takes cars through a mountain or under a river.
• 10. This is what is created when a river falls down a cliff.

Down

• 1. This is a large natural body of fresh water.
• 2. This is a small mountain.
• 3. You can cross a road or river on this.
• 5. This is an old type of building made of stone.
• 6. The longest in the world is called Nile.