Lost River, Idaho
Lost River: Situated in Butte County at an elevation of 5,423 feet, this small settlement is located within south-central Idaho's Big Lost River valley.
About
Lost River is a city located in the county of Butte in the U.S. state of Idaho.
Quick Facts about Lost River
| State | Idaho (United States) |
| County | Butte County |
| Latitude & Longitude | 43.6891,-113.3714 |
| Time Zone | America/Boise |
| Local time | 11:21:43 (9th November 2026) |
| Weather | 32℉ Mostly Cloudy 7-days weather |
Geography
Lost River is located at 43°41'21"N 113°22'17"W (43.6890700, -113.3714000).
Lost River map
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Weather
32°F
Mostly Cloudy
3 mph W
Overnight
Mostly cloudy, with a low around 32. West wind around 3 mph.
7-Day ForecastClosest post offices linked to Lost River.
| Post Office Name | City | ZIP |
|---|---|---|
| Moor Post Office | Moore (ID) | 83255 |