| Great Ditch | |
|---|---|
 Great Ditch map | |
| Location | |
| Country | United States |
| Physical characteristics | |
| Source | |
| • coordinates | 40°23′5″N 74°28′57″W / 40.38472°N 74.48250°W |
| • elevation | 89 ft (27 m) |
| Mouth | |
• coordinates | 40°23′39″N 74°30′27″W / 40.39417°N 74.50750°W |
| Basin features | |
| Progression | Lawrence Brook, Raritan River, Atlantic Ocean |
| River system | Raritan River system |
Great Ditch is a drainage ditch that drains areas of the Pigeon Swamp State Park in New Jersey in the United States.