Natural
Across
- 3. a cascade of water falling from a height, formed when a river or stream flows over a precipice or steep incline.
- 5. an area of land overgrown with dense forest and tangled vegetation, typically in the tropics
- 6. a piece of land surrounded by water.
- 9. a large underground chamber, typically of natural origin, in a hillside or cliff
- 10. a large natural stream of water flowing in a channel to the sea, a lake, or another such stream.
Down
- 1. a large natural elevation of the earth's surface rising abruptly from the surrounding level; a large steep hill.
- 2. a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
- 4. large area covered chiefly with trees and undergrowth.
- 7. a dry, barren area of land, especially one covered with sand, that is characteristically desolate, waterless, and without vegetation.
- 8. a large body of water surrounded by land