| VLEI | Area of low marshy ground in South Africa such as the Umgeni - (4) |
| FENS | Stretches of low marshy ground (4) |
| FERN | Plant that will start rooting in low marshy ground (4) |
| OVAL | The --- is a Test cricket ground in south London, England (4) |
| DALE | An open valley in an area of low hills (4) |
| FLAT | An area of low level ground, especially near water (4) |
| MIRE | A soft wet area of low-lying land that sinks underfoot (4) |
| REED | A slender-leaved plant of the grass family which grows in water or on marshy ground (4) |
| GOBI | One bit of marshy ground reverts to desert (4) |
| OOZE | Marshy ground with animal park back on the way |
| SIKE | Northern English or Scottish dialect for a small seasonally dry rill or little stream meandering through marshy ground; or, a ditch (4) |
| QUAG | Marshy ground |
| ALBERTACLIPPER | In Canada, an area of low pressure that forms in winter near the Rocky Mountains (7,7) |
| TROUGH | Elongated area of low atmospheric pressure usually extending from a depression; the opposite of a ridge (6) |
| SACRED | Hallowed area of ground in South Dakota (6) |
| EASTERNCAPE | Presence at a ground in South African location (7,4) |
| JACKOLANTERN | The phosphorescent light of the will-o'-the-wisp or ignis fatuus, "foolish fire", seen floating or hovering at night over marshy ground, whose name in question transferred to a candlelit pumpkin, carv |
| HEATH | Doubling of height is about to worry area of low growth (5) |
| THROUGH | Finished getting hot in area of low pressure (7) |
| SWAMP | Area of low-lying, uncultivated ground where water collects (5) |