Big Lost River

Big Lost River
Location
CountryUnited States
StateIdaho
CitiesMackay, Arco, Atomic City
Physical characteristics
SourceConfluence of North Fork and East Fork Big Lost River
 • locationCuster County, Idaho
 • coordinates43°56′01″N 114°06′38″W / 43.93361°N 114.11056°W / 43.93361; -114.11056[1]
 • elevation6,860 ft (2,090 m)
MouthBig Lost River Sinks
 • location
Butte County, Idaho
 • coordinates
43°47′39″N 112°50′26″W / 43.79417°N 112.84056°W / 43.79417; -112.84056
 • elevation
4,790 ft (1,460 m)
Length135 mi (217 km)
Basin size1,867 sq mi (4,840 km2)[2]
Discharge 
 • locationnear Arco[3]
 • average86.3 cu ft/s (2.44 m3/s)[3]
 • minimum0 cu ft/s (0 m3/s)
 • maximum2,500 cu ft/s (71 m3/s)
Basin features
Tributaries 
 • leftNorth Fork Big Lost River, Thousand Springs Creek
 • rightEast 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]

  1. ^ "Big Lost River". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. 1979-06-21. Retrieved 2010-11-21.
  2. ^ "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.
  3. ^ 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.
  4. ^ 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