The Salt Fork Red River is a sandy-braided stream about 311 km long, heading on the Llano Estacado of West Texas about 2.9 km north of Claude of Armstrong County, Texas, flowing east across the Texas Panhandle and Western Oklahoma to join the Red River about 21 km south of Altus of Jackson County, Oklahoma.

Course

The Salt Fork Red River rises in northern Armstrong County, Texas just to the south of Carson County, Texas. It flows southeast across Donley and Collingsworth County, Texas. Crossing into Oklahoma at the 100th meridian, it flows through Harmon County and Greer County, Oklahoma. It turns south near Mangum, Oklahoma and flows through central Jackson County, Oklahoma to its confluence with the Red River about 20 miles northwest of Vernon, Texas or 21 km south of Altus.