Blackwell Branch is a long 2nd order tributary to Lanes Creek in Anson County, North Carolina.
Blackwell Branch is formed at the confluence of Maness Branch and Caudle Branch about 2 miles northwest of Peachland, North Carolina. Blackwell Branch then flows southeasterly to meet Lanes Creek about 0.5 miles north of Peachland.
Blackwell Branch drains of area, receives about 48.0 in/year of precipitation, has a topographic wetness index of 434.25 and is about 44% forested.