| Rocky Branch | |
| Name Other: | Tributary to Deep River |
| Map Size: | 300 |
| Pushpin Map: | USA North Carolina#USA |
| Pushpin Map Size: | 300 |
| Pushpin Map Caption: | Location of Rocky Branch mouth |
| Pushpin Map Alt: | Map of Rocky Branch mouth location |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | North Carolina |
| Subdivision Type3: | County |
| Subdivision Name3: | Chatham |
| Length: | 4.99miles[1] |
| Discharge1 Location: | Deep River |
| Discharge1 Avg: | 6.19cuft/s at mouth with Deep River[2] |
| Source1: | Turkey Creek divide |
| Source1 Location: | pond about 2 miles south of Pittsboro, North Carolina |
| Source1 Coordinates: | 35.6736°N -79.16°W[3] |
| Source1 Elevation: | 455feet[4] |
| Mouth: | Deep River |
| Mouth Location: | about 1 mile northwest of Blacknel, North Carolina |
| Mouth Coordinates: | 35.6239°N -79.1353°W |
| Mouth Elevation: | 188feet |
| Progression: | Deep River → Cape Fear River → Atlantic Ocean |
| River System: | Deep River |
| Tributaries Left: | unnamed tributaries |
| Tributaries Right: | unnamed tributaries |
| Bridges: | Charlie Brooks Road, Mt. View Church Road, E Gargis Road |
Rocky Branch is a 4.99miles long 2nd order tributary to the Deep River in Chatham County, North Carolina.
Rocky Branch rises about 2 miles south of Pittsboro, North Carolina in Chatham County and then flows south to the Deep River about 1 mile northwest of Blacknel, North Carolina.[5]
Rocky Branch drains of area, receives about 47.5 in/year of precipitation, and has a wetness index of 414.55 and is about 58% forested.[2]