| Rating | Solver | Clue |
|---|---|---|
| GULCH | Deep ravine | |
| GORGE | Deep ravine | |
| CAON | A deep gorge, ravine, or gulch, between high and steep banks, worn by water courses. | |
| CHINE | A chink or cleft; a narrow and deep ravine; as, Shanklin Chine in the Isle of Wight, a quarter of a mile long and 230 feet deep. |