| Salt Fork Red River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | States |
| Subdivision Name2: | Texas, Oklahoma |
| Length: | 311km (193miles) |
| Source1: | Llano Estacado |
| Source1 Location: | 2.9km (01.8miles) north of Claude, Armstrong County, Texas |
| Source1 Coordinates: | 35.1558°N -101.3622°W |
| Source1 Elevation: | 1040m (3,410feet) |
| Mouth: | Confluence Red River |
| Mouth Location: | 21km (13miles) south of Altus, Jackson County, Oklahoma |
| Mouth Coordinates: | 34.45°N -99.3503°W |
| Mouth Elevation: | 383m (1,257feet) |
| Basin Size: | 5180km2[1] |
The Salt Fork Red River is a sandy-braided stream about 311km (193miles) long, heading on the Llano Estacado of West Texas about 2.9km (01.8miles) north of Claude of Armstrong County, Texas, flowing east across the Texas Panhandle and Western Oklahoma to join the Red River about 21km (13miles) south of Altus of Jackson County, Oklahoma.[2]
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 20miles northwest of Vernon, Texas or 21km (13miles) south of Altus.[2]