| Big Lost River | |
|---|---|
.jpg) | |
 Map of the lost streams of Idaho including the Big Lost River | |
| Location | |
| Country | United States |
| State | Idaho |
| Cities | Mackay, Arco, Atomic City |
| Physical characteristics | |
| Source | Confluence of North Fork and East Fork Big Lost River |
| • location | Custer County, Idaho |
| • coordinates | 43°56′01″N 114°06′38″W / 43.93361°N 114.11056°W[1] |
| • elevation | 6,860 ft (2,090 m) |
| Mouth | Big Lost River Sinks |
• location | Butte County, Idaho |
• coordinates | 43°47′39″N 112°50′26″W / 43.79417°N 112.84056°W |
• elevation | 4,790 ft (1,460 m) |
| Length | 135 mi (217 km) |
| Basin size | 1,867 sq mi (4,840 km2)[2] |
| Discharge | |
| • location | near Arco[3] |
| • average | 86.3 cu ft/s (2.44 m3/s)[3] |
| • minimum | 0 cu ft/s (0 m3/s) |
| • maximum | 2,500 cu ft/s (71 m3/s) |
| Basin features | |
| Tributaries | |
| • left | North Fork Big Lost River, Thousand Springs Creek |
| • right | East Fork Big Lost River, Antelope Creek |
The Big Lost River is a major river in the U.S. state of Idaho, about 135 miles (217 km) long.[4]
- ^ "Big Lost River". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. 1979-06-21. Retrieved 2010-11-21.
- ^ "Subbasin Assessment – Watershed Characterization" (PDF). Big Lost River Subbasin Assessment and TMDL. Idaho Department of Environmental Quality. 2004-05-06. Archived from the original (PDF) on 22 November 2010. Retrieved 2010-11-21.
- ^ a b "USGS Gage #13132500 on the Big Lost River near Arco, ID" (PDF). National Water Information System. U.S. Geological Survey. 2009. Retrieved 2010-11-21.
- ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-03-29 at the Wayback Machine, accessed May 4, 2011