| Round Pole Branch | |
| Name Other: | Tributary to Broadkill River |
| Map Size: | 180 |
| Pushpin Map: | USA Delaware#USA |
| Pushpin Map Size: | 180 |
| Pushpin Map Caption: | Location of Round Pole Branch mouth |
| Pushpin Map Alt: | Map of Round Pole Branch mouth location |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Delaware |
| Subdivision Type3: | County |
| Subdivision Name3: | Sussex |
| Length: | 5.24miles[1] |
| Discharge1 Location: | Broadkill River |
| Discharge1 Avg: | 8.52cuft/s at mouth with Broadkill River[2] |
| Source1: | Sockorockets Ditch divide |
| Source1 Location: | Gravel Hill, Delaware |
| Source1 Coordinates: | 38.7157°N -75.3238°W[3] |
| Source1 Elevation: | 40feet |
| Mouth: | Broadkill River |
| Mouth Location: | Milton, Delaware |
| Mouth Coordinates: | 38.7762°N -75.3032°W |
| Mouth Elevation: | 0feet |
| Progression: | Broadkill River → Delaware Bay → Atlantic Ocean |
| River System: | Broadkill River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Bridges: | Harbeson Road, Cave Neck Road |
Round Pole Branch is a 5.24miles long first-order tributary to the Broadkill River in Sussex County, Delaware. This is the only stream of this name in the United States.[3]
Round Pole Branch rises on the Sockorockets Ditch divide at Gravel Hill, Delaware and then flows generally north-northeast to join the Broadkill River at Milton, Delaware.[3]
Round Pole Branch drains of area, receives about 45.1 in/year of precipitation, and is about 24.30% forested.[2]