| West Branch Gum Branch | |
| Name Other: | Tributary to Gum Branch |
| Map Size: | 180 |
| Pushpin Map: | Delaware#USA |
| Pushpin Map Size: | 180 |
| Pushpin Map Caption: | Location of West Branch Gum Branch mouth |
| Pushpin Map Alt: | Map of West Branch Gum Branch mouth location |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Delaware |
| Subdivision Type3: | County |
| Subdivision Name3: | Sussex |
| Length: | 5.61miles[1] |
| Discharge1 Location: | Gum Branch |
| Discharge1 Avg: | 7.07cuft/s at mouth with Gum Branch[2] |
| Source1: | Johnson Branch divide |
| Source1 Location: | about 1 mile southeast of Staytonville, Delaware[3] |
| Source1 Coordinates: | 38.8278°N -75.5083°W[4] |
| Source1 Elevation: | 55feet |
| Mouth: | Gum Branch |
| Mouth Location: | about 2.5 miles east-northeast of Bridgeville, Delaware[5] |
| Mouth Coordinates: | 38.7647°N -75.5439°W |
| Mouth Elevation: | 24feet |
| Progression: | Gum Branch → Nanticoke River → Chesapeake Bay → Atlantic Ocean |
| River System: | Nanticoke River |
| Tributaries Left: | Owens Branch |
| Tributaries Right: | unnamed tributaries |
| Bridges: | Century Farm Road, DE 16, Wolf Road, Hunters Cove Road, Tuckers Road |
West Branch Gum Branch is a 5.61miles long 2nd tributary to Gum Branch in Sussex County, Delaware. This is the only stream of this name in the United States.[4]
According to the Geographic Names Information System, it has also been known historically as:[4]
West Branch Gum Branch rises about 1 mile southeast of Staytonville, Delaware[3] and then flows south-southwest to join Gum Branch about 2.5 miles east-northeast of Bridgeville.[5]
West Branch Gum Branch drains of area, receives about 45.4 in/year of precipitation, has a topographic wetness index of 709.85 and is about 15% forested.[2]