| South Fork Salmon River | |
|---|---|
 Rafters on the South Fork Salmon River | |
 Map showing the Salmon River basin. The South Fork is the second major tributary from left. | |
| Location | |
| Country | United States |
| State | Idaho |
| Physical characteristics | |
| Source | near Monumental Peak |
| • location | Salmon River Mountains, Valley County |
| • coordinates | 44°28′47″N 115°41′06″W / 44.47972°N 115.68500°W[1] |
| • elevation | 7,600 ft (2,300 m) |
| Mouth | Salmon River |
• location | near Mackay Bar, Idaho County |
• coordinates | 45°22′40″N 115°30′47″W / 45.37778°N 115.51306°W[1] |
• elevation | 2,146 ft (654 m) |
| Length | 86 mi (138 km)[2] |
| Basin size | 1,309 sq mi (3,390 km2)[3] |
| Discharge | |
| • location | Mackay Bar[3] |
| • average | 1,983 cu ft/s (56.2 m3/s)[3] |
| • minimum | 318 cu ft/s (9.0 m3/s) |
| • maximum | 21,600 cu ft/s (610 m3/s) |
| Basin features | |
| Tributaries | |
| • left | Secesh River |
| • right | East Fork, Elk Creek |
The South Fork Salmon River is an 86-mile (138 km)[2] tributary of the Salmon River in Idaho and Valley Counties in central Idaho.[1] The river drains a rugged, lightly populated wilderness watershed in the Salmon River Mountains. It is the second-largest tributary of the Salmon River, after the Middle Fork.
- ^ a b c "South Fork Salmon River". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. 1979-06-21. Retrieved 2013-12-15.
- ^ a b "USGS National Atlas Streamer". United States Geological Survey. Archived from the original on 2014-05-28. Retrieved 2013-12-15.
- ^ a b c "USGS Gage #13314900 on the South Fork Salmon River at Mouth near Mackay Bar, ID". National Water Information System. United States Geological Survey. 1993–2003. Retrieved 2013-12-15.