| Iron Mine Branch | |
| Name Other: | Tributary to Marshyhope Creek |
| Map Size: | 180 |
| Pushpin Map: | USA Delaware#USA |
| Pushpin Map Size: | 180 |
| Pushpin Map Caption: | Location of Iron Mine Branch mouth |
| Pushpin Map Alt: | Map of Iron Mine Branch mouth location |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Delaware |
| Subdivision Type3: | County |
| Subdivision Name3: | Sussex |
| Length: | 3.96miles[1] |
| Discharge1 Location: | Marshyhope Creek |
| Discharge1 Avg: | 3.4cuft/s at mouth with Marshyhope Creek[2] |
| Source1: | Bridgeville Branch divide |
| Source1 Location: | Dublin Hill, Delaware |
| Source1 Coordinates: | 38.77°N -75.6425°W[3] |
| Source1 Elevation: | 58feet |
| Mouth: | Marshyhope Creek |
| Mouth Location: | about 1-mile south-southwest of Woodenhawk, Delaware |
| Mouth Coordinates: | 38.7826°N -75.6425°W |
| Mouth Elevation: | 23feet |
| Progression: | Marshyhope Creek → Nanticoke River → Chesapeake Bay → Atlantic Ocean |
| River System: | Nanticoke River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Bridges: | Epworth Church Road, PA 404, Smith Road, Sand Hill Road |
Iron Mine Branch is a 3.82miles long second-order tributary to Marshyhope Creek in Sussex County, Delaware.
Iron Mine Branch rises on the Bridgeville Branch divide at Dublin Hill, Delaware, and then flows generally northwest to join Marshyhope Creek about 1.5 miles south-southwest of Woodenhawk, Delaware.[3]
Iron Mine Branch drains of area, receives about 44.8 in/year of precipitation, and is about 3.04% forested.[2]