421:
29:
592:
400:. After Arco, the river begins flowing east, northeast, and finally due north. The river terminates at the Big Lost River Sinks, a patch of marshland where its water drains into the ground.
503:
384:, south-central Idaho. It flows northeast, then turns sharply southeast at the confluence with Thousand Springs Creek, which comes in from the left and into
407:, the largest river of Idaho by discharge, via the Snake River Aquifer and various springs along the course of the Snake in its journey through the plain.
626:
479:
616:
621:
514:
403:
Even though its surface flow is lost (hence its name) a short distance out of the mountains, the river is hydrologically connected to the
470:
186:
446:
475:
111:
572:
596:
377:
611:
389:
465:
441:
365:. True to its name, the Big Lost River's surface flow does not reach any larger river but vanishes into the
370:
381:
97:
385:
366:
172:
68:
436:
362:
28:
541:
576:
358:
376:
It rises at the confluence of the North Fork and East Fork Big Lost River deep in the
605:
426:
393:
60:
568:
U.S. Geological Survey. National
Hydrography Dataset high-resolution flowline data.
369:
at the Big Lost River Sinks, giving the river its name. The river is one of the
404:
397:
262:
157:
64:
416:
342:
201:
188:
126:
113:
591:
373:, several streams that flow into the plain and disappear into the ground.
569:
513:. Idaho Department of Environmental Quality. 2004-05-06. Archived from
346:
396:, then continues south through an agricultural valley, passing
542:"USGS Gage #13132500 on the Big Lost River near Arco, ID"
361:
and flows in a generally southeast direction into the
87:
Confluence of North Fork and East Fork Big Lost River
325:
315:
307:
302:
288:
278:
268:
255:
247:
235:
227:
217:
178:
166:
156:
142:
103:
91:
83:
74:
56:
48:
40:
35:
21:
504:"Subbasin Assessment – Watershed Characterization"
321:North Fork Big Lost River, Thousand Springs Creek
8:
511:Big Lost River Subbasin Assessment and TMDL
498:
496:
480:United States Department of the Interior
331:East Fork Big Lost River, Antelope Creek
457:
536:
534:
349:, about 135 miles (217 km) long.
274:86.3 cu ft/s (2.44 m/s)
18:
294:2,500 cu ft/s (71 m/s)
239:1,867 sq mi (4,840 km)
7:
471:Geographic Names Information System
14:
549:National Water Information System
590:
447:List of longest streams of Idaho
419:
380:, a subrange of the Rockies, in
284:0 cu ft/s (0 m/s)
27:
627:Rivers of Bingham County, Idaho
476:United States Geological Survey
617:Rivers of Custer County, Idaho
551:. U.S. Geological Survey. 2009
388:. The river is dammed to form
180: • coordinates
105: • coordinates
1:
622:Rivers of Butte County, Idaho
75:Physical characteristics
16:River in Idaho, United States
223:4,790 ft (1,460 m)
219: • elevation
148:6,860 ft (2,090 m)
144: • elevation
257: • location
168: • location
93: • location
643:
290: • maximum
280: • minimum
270: • average
298:
243:
231:135 mi (217 km)
152:
79:
26:
357:The river starts in the
341:is a major river in the
327: • right
442:List of rivers of Idaho
317: • left
579:, accessed May 4, 2011
202:43.79417°N 112.84056°W
127:43.93361°N 114.11056°W
599:at Wikimedia Commons
371:Lost streams of Idaho
207:43.79417; -112.84056
162:Big Lost River Sinks
132:43.93361; -114.11056
98:Custer County, Idaho
520:on 22 November 2010
367:Snake River Aquifer
303:Basin features
198: /
173:Butte County, Idaho
123: /
575:2012-03-29 at the
595:Media related to
437:Little Lost River
392:near the town of
378:Pioneer Mountains
363:Snake River Plain
335:
334:
634:
594:
580:
570:The National Map
566:
560:
559:
557:
556:
546:
538:
529:
528:
526:
525:
519:
508:
500:
491:
490:
488:
487:
466:"Big Lost River"
462:
429:
424:
423:
422:
390:Mackay Reservoir
328:
318:
291:
281:
271:
258:
213:
212:
210:
209:
208:
203:
199:
196:
195:
194:
191:
145:
138:
137:
135:
134:
133:
128:
124:
121:
120:
119:
116:
106:
94:
31:
19:
642:
641:
637:
636:
635:
633:
632:
631:
612:Rivers of Idaho
602:
601:
588:
583:
577:Wayback Machine
567:
563:
554:
552:
544:
540:
539:
532:
523:
521:
517:
506:
502:
501:
494:
485:
483:
464:
463:
459:
455:
433:
432:
425:
420:
418:
413:
359:Rocky Mountains
355:
326:
316:
289:
279:
269:
256:
220:
206:
204:
200:
197:
192:
189:
187:
185:
184:
181:
169:
143:
131:
129:
125:
122:
117:
114:
112:
110:
109:
104:
92:
17:
12:
11:
5:
640:
638:
630:
629:
624:
619:
614:
604:
603:
597:Big Lost River
587:
586:External links
584:
582:
581:
561:
530:
492:
456:
454:
451:
450:
449:
444:
439:
431:
430:
415:
414:
412:
409:
354:
351:
339:Big Lost River
333:
332:
329:
323:
322:
319:
313:
312:
309:
305:
304:
300:
299:
296:
295:
292:
286:
285:
282:
276:
275:
272:
266:
265:
259:
253:
252:
249:
245:
244:
241:
240:
237:
233:
232:
229:
225:
224:
221:
218:
215:
214:
182:
179:
176:
175:
170:
167:
164:
163:
160:
154:
153:
150:
149:
146:
140:
139:
107:
101:
100:
95:
89:
88:
85:
81:
80:
77:
76:
72:
71:
58:
54:
53:
50:
46:
45:
42:
38:
37:
33:
32:
24:
23:
22:Big Lost River
15:
13:
10:
9:
6:
4:
3:
2:
639:
628:
625:
623:
620:
618:
615:
613:
610:
609:
607:
600:
598:
593:
585:
578:
574:
571:
565:
562:
550:
543:
537:
535:
531:
516:
512:
505:
499:
497:
493:
481:
477:
473:
472:
467:
461:
458:
452:
448:
445:
443:
440:
438:
435:
434:
428:
427:Rivers portal
417:
410:
408:
406:
401:
399:
395:
391:
387:
383:
382:Custer County
379:
374:
372:
368:
364:
360:
352:
350:
348:
344:
340:
330:
324:
320:
314:
310:
306:
301:
297:
293:
287:
283:
277:
273:
267:
264:
260:
254:
250:
246:
242:
238:
234:
230:
226:
222:
216:
211:
183:
177:
174:
171:
165:
161:
159:
155:
151:
147:
141:
136:
108:
102:
99:
96:
90:
86:
82:
78:
73:
70:
66:
62:
59:
55:
51:
47:
44:United States
43:
39:
34:
30:
25:
20:
589:
564:
553:. Retrieved
548:
522:. Retrieved
515:the original
510:
484:. Retrieved
482:. 1979-06-21
469:
460:
402:
386:Butte County
375:
356:
338:
336:
405:Snake River
353:Description
308:Tributaries
205: /
193:112°50′26″W
130: /
118:114°06′38″W
69:Atomic City
606:Categories
555:2010-11-21
524:2010-11-21
486:2010-11-21
453:References
343:U.S. state
236:Basin size
190:43°47′39″N
115:43°56′01″N
248:Discharge
573:Archived
411:See also
36:Location
41:Country
394:Mackay
311:
251:
228:Length
84:Source
61:Mackay
57:Cities
545:(PDF)
518:(PDF)
507:(PDF)
347:Idaho
261:near
158:Mouth
52:Idaho
49:State
398:Arco
337:The
263:Arco
65:Arco
345:of
608::
547:.
533:^
509:.
495:^
478:,
474:.
468:.
67:,
63:,
558:.
527:.
489:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
