| Sowbridge Branch | |
| Name Other: | Tributary to Primehook Creek |
| Map Size: | 200 |
| Pushpin Map: | USA Delaware#USA |
| Pushpin Map Size: | 200 |
| Pushpin Map Caption: | Location of Sowbridge Branch mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Delaware |
| Subdivision Type3: | County |
| Subdivision Name3: | Sussex |
| Length: | 5.44miles[1] |
| Discharge1 Location: | Primehook Creek (Waples Pond) |
| Discharge1 Avg: | 9.63cuft/s at mouth with Primehook Creek (Waples Pond)[2] |
| Source1: | Gravelly Branch divide |
| Source1 Location: | about 0.5 miles southeast of Ellendale, Delaware |
| Source1 Coordinates: | 38.7989°N -75.4025°W[3] |
| Source1 Elevation: | 50feet[4] |
| Mouth: | Primehook Creek (Waples Pond) |
| Mouth Location: | Waples Pond Acres, Delaware |
| Mouth Coordinates: | 38.8208°N -75.3172°W |
| Mouth Elevation: | 4feet |
| Progression: | generally east |
| River System: | Broadkill River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | Piney Branch |
| Waterbodies: | Reynolds Pond |
| Bridges: | Milton-Ellendale Highway, Holly Tree Road, Isaacs Road (DE 30), Cedar Creek Road |
Sowbridge Branch is a 5.44miles long 2nd order tributary to Primehook Creek in Sussex County, Delaware.
According to the Geographic Names Information System, it has also been known historically as:[3]
Sowbridge Branch rises on the Gravelly Branch divide about 0.5 miles southeast of Ellendale, Delaware. Sowbridge Branch then flows generally east to meet Primehook Creek at Waples Pond.[4]
Sowbridge Branch drains of area, receives about 45.4 in/year of precipitation, has a topographic wetness index of 649.54 and is about 19% forested.[2]