How to use "terrain" in a sentence

Sentences

But that covers a hell of a lot of rugged terrain

"Don't they publish terrain maps of the wilderness areas? Backpackers and other nature lovers would need them

Tina stared at the map and tried to think of nothing but the appealing greens, blues, yellows, and pinks that the cartographers had used to indicate various types of terrain

"And there's always the possibility I'll misjudge the terrain in the dark and ram us right into the side of a hill."